Work is defined as the product of:
a) Force and displacement
b) Mass and acceleration
c) Velocity and time
d) Energy and power
Answer: a) Force and displacement
The SI unit of work is the:
a) Newton
b) Watt
c) Joule
d) Kilogram
Answer: c) Joule
Which of the following statements is true about work?
a) Work is always positive.
b) Work is always negative.
c) Work can be positive or negative depending on the direction of force and displacement.
d) Work is always zero.
Answer: c) Work can be positive or negative depending on the direction of force and displacement.
The work done by a force on an object is maximum when the angle between the force and displacement is:
a) 0 degrees
b) 45 degrees
c) 90 degrees
d) 180 degrees
Answer: a) 0 degrees
The energy possessed by an object due to its motion is called:
a) Potential energy
b) Kinetic energy
c) Mechanical energy
d) Thermal energy
Answer: b) Kinetic energy
The potential energy of an object depends on its:
a) Mass and velocity
b) Height and mass
c) Velocity and acceleration
d) Weight and displacement
Answer: b) Height and mass
The law of conservation of energy states that:
a) Energy cannot be created or destroyed, only transferred or transformed.
b) Energy can be created or destroyed.
c) Energy can be created but not destroyed.
d) Energy can be destroyed but not created.
Answer: a) Energy cannot be created or destroyed, only transferred or transformed.
The SI unit of power is the:
a) Joule
b) Watt
c) Newton
d) Kilogram
Answer: b) Watt
Power is defined as the rate at which work is:
a) Transferred
b) Created
c) Destroyed
d) Done
Answer: d) Done
The work-energy theorem states that the work done on an object is equal to the change in its:
a) Kinetic energy
b) Potential energy
c) Total mechanical energy
d) Power
Answer: c) Total mechanical energy
Which of the following statements is true about the conservation of mechanical energy in a system?
a) Mechanical energy is always conserved in a system.
b) Mechanical energy is conserved only in the absence of friction.
c) Mechanical energy is conserved only in the presence of friction.
d) Mechanical energy cannot be conserved.
Answer: b) Mechanical energy is conserved only in the absence of friction.
The work done by a force on an object can be calculated by multiplying the:
a) Force and time
b) Displacement and time
c) Force and displacement
d) Mass and velocity
Answer: c) Force and displacement
The energy stored in a stretched or compressed object, such as a spring, is called:
a) Gravitational potential energy
b) Elastic potential energy
c) Chemical potential energy
d) Nuclear potential energy
Answer: b) Elastic potential energy
The rate at which work is done or energy is transferred or transformed is called:
a) Force
b) Momentum
c) Power
d) Energy
Answer: c) Power
Which of the following factors affect the amount of work done on an object?
a) Force applied and displacement
b) Time taken and velocity
c) Mass and acceleration
d) Height and weight
Answer: a) Force applied and displacement
The work done on an object is zero when the force and displacement are:
a) Perpendicular to each other
b) Parallel to each other
c) In the same direction
d) In opposite directions
Answer: a) Perpendicular to each other
The unit of energy is the same as the unit of:
a) Power
b) Force
c) Work
d) Momentum
Answer: c) Work
Which of the following statements is true about the concept of work?
a) Work is a scalar quantity.
b) Work is a vector quantity.
c) Work has both magnitude and direction.
d) Work is a measure of the force exerted on an object.
Answer: a) Work is a scalar quantity.
The work done by a force on an object can be negative when the angle between the force and displacement is:
a) 0 degrees
b) 45 degrees
c) 90 degrees
d) 180 degrees
Answer: d) 180 degrees
Which of the following statements is true about the concept of power?
a) Power is the amount of work done by an object.
b) Power is the rate at which energy is transferred or transformed.
c) Power is a measure of an object’s potential energy.
d) Power is a measure of an object’s kinetic energy.
Answer: b) Power is the rate at which energy is transferred or transformed.
The work done by a force on an object can be positive when the angle between the force and displacement is:
a) 0 degrees
b) 45 degrees
c) 90 degrees
d) 180 degrees
Answer: a) 0 degrees
Which of the following statements is true about potential energy?
a) Potential energy is the energy possessed by an object due to its motion.
b) Potential energy is the energy possessed by an object due to its position or condition.
c) Potential energy is the energy possessed by an object due to its temperature.
d) Potential energy is the energy possessed by an object due to its velocity.
Answer: b) Potential energy is the energy possessed by an object due to its position or condition.
The work done on an object is negative when the force and displacement are:
a) Perpendicular to each other
b) Parallel to each other
c) In the same direction
d) In opposite directions
Answer: d) In opposite directions
The rate at which work is done or energy is transferred or transformed is equal to the:
a) Mass of the object
b) Time taken to do the work
c) Distance covered by the object
d) Force applied to the object
Answer: d) Force applied to the object
The work done by a force on an object is maximum when the force and displacement are:
a) Perpendicular to each other
b) Parallel to each other
c) In the same direction
d) In opposite directions
Answer: c) In the same direction
The energy possessed by an object due to its position or condition is called:
a) Kinetic energy
b) Potential energy
c) Mechanical energy
d) Thermal energy
Answer: b) Potential energy
The work-energy theorem relates the concepts of:
a) Work and power
b) Power and energy
c) Work and energy
d) Work and force
Answer: c) Work and energy
The ability of an object to do work or cause a change is called:
a) Power
b) Energy
c) Force
d) Momentum
Answer: b) Energy
The energy possessed by an object due to its motion is directly proportional to its:
a) Mass
b) Velocity
c) Acceleration
d) Force
Answer: b) Velocity
The work done on an object is zero when the force and displacement are:
a) Parallel to each other
b) In the same direction
c) In opposite directions
d) Perpendicular to each other
Answer: d) Perpendicular to each other
The unit of power is equal to:
a) Joule per second
b) Newton per second
c) Kilogram per second
d) Meter per second
Answer: a) Joule per second
The rate at which work is done or energy is transferred or transformed is dependent on:
a) The mass of the object
b) The time taken to do the work
c) The distance covered by the object
d) The force applied to the object
Answer: d) The force applied to the object
The work done by a force on an object can be positive, negative, or zero depending on the:
a) Magnitude of the force
b) Magnitude of the displacement
c) Angle between the force and displacement
d) Mass of the object
Answer: c) Angle between the force and displacement
Which of the following statements is true about the concept of power?
a) Power is a scalar quantity.
b) Power is a vector quantity.
c) Power has both magnitude and direction.
d) Power is a measure of the force exerted on an object.
Answer: a) Power is a scalar quantity.
The work done by a force on an object is maximum when the angle between the force and displacement is:
a) 0 degrees
b) 45 degrees
c) 90 degrees
d) 180 degrees
Answer: a) 0 degrees
The potential energy of an object at a certain height is equal to the:
a) Mass of the object multiplied by the height
b) Weight of the object multiplied by the height
c) Mass of the object multiplied by the acceleration due to gravity
d) Weight of the object multiplied by the acceleration due to gravity
Answer: b) Weight of the object multiplied by the height
The rate at which work is done or energy is transferred or transformed is equal to the:
a) Time taken to do the work divided by the distance covered
b) Distance covered divided by the time taken to do the work
c) Work done divided by the time taken
d) Energy transferred or transformed divided by the time taken
Answer: c) Work done divided by the time taken
Which of the following statements is true about the conservation of energy?
a) Energy is always conserved in any physical process.
b) Energy is conserved only in certain physical processes.
c) Energy can be created or destroyed in any physical process.
d) Energy is not conserved in any physical process.
Answer: a) Energy is always conserved in any physical process.
The energy possessed by an object due to its motion is called:
a) Kinetic energy
b) Potential energy
c) Mechanical energy
d) Thermal energy
Answer: a) Kinetic energy
The work done by a force on an object can be negative when the force and displacement are:
a) In the same direction
b) In opposite directions
c) Perpendicular to each other
d) Parallel to each other
Answer: b) In opposite directions
The energy possessed by an object due to its position or condition is called:
a) Kinetic energy
b) Potential energy
c) Mechanical energy
d) Thermal energy
Answer: b) Potential energy
The rate at which work is done or energy is transferred or transformed is dependent on:
a) The mass of the object
b) The time taken to do the work
c) The distance covered by the object
d) The force applied to the object
Answer: d) The force applied to the object
The work-energy theorem states that the work done on an object is equal to the change in its:
a) Kinetic energy
b) Potential energy
c) Total mechanical energy
d) Power
Answer: c) Total mechanical energy
The work done by a force on an object can be zero when the angle between the force and displacement is:
a) 0 degrees
b) 45 degrees
c) 90 degrees
d) 180 degrees
Answer: c) 90 degrees
The energy possessed by an object due to its motion is directly proportional to its:
a) Mass
b) Velocity
c) Acceleration
d) Force
Answer: b) Velocity
The work done on an object is negative when the force and displacement are:
a) Parallel to each other
b) In the same direction
c) In opposite directions
d) Perpendicular to each other
Answer: c) In opposite directions
The unit of power is the same as the unit of:
a) Work
b) Energy
c) Force
d) Momentum
Answer: a) Work
Which of the following statements is true about work?
a) Work is always positive.
b) Work is always negative.
c) Work can be positive or negative depending on the direction of force and displacement.
d) Work is always zero.
Answer: c) Work can be positive or negative depending on the direction of force and displacement.
The energy possessed by an object due to its position or condition is directly proportional to its:
a) Mass
b) Height
c) Velocity
d) Force
Answer: b) Height
The work done by a force on an object can be positive when the force and displacement are:
a) In the same direction
b) In opposite directions
c) Perpendicular to each other
d) Parallel to each other
Answer: a) In the same direction
Which of the following statements is true about the concept of work?
a) Work is a measure of an object’s potential energy.
b) Work is a measure of an object’s kinetic energy.
c) Work is a measure of an object’s total mechanical energy.
d) Work is a measure of the force exerted on an object.
Answer: d) Work is a measure of the force exerted on an object.
The work done by a force on an object is zero when the force and displacement are:
a) Perpendicular to each other
b) Parallel to each other
c) In the same direction
d) In opposite directions
Answer: a) Perpendicular to each other
The unit of work is equal to:
a) Joule per second
b) Newton per second
c) Kilogram per second
d) Meter per second
Answer: a) Joule per second
Which of the following factors affect the amount of work done on an object?
a) Force applied and displacement
b) Time taken and velocity
c) Mass and acceleration
d) Height and weight
Answer: a) Force applied and displacement
The energy possessed by an object due to its motion is called:
a) Kinetic energy
b) Potential energy
c) Mechanical energy
d) Thermal energy
Answer: a) Kinetic energy
The work done by a force on an object is negative when the force and displacement are:
a) Perpendicular to each other
b) Parallel to each other
c) In the same direction
d) In opposite directions
Answer: d) In opposite directions
The energy possessed by an object due to its position or condition is called:
a) Kinetic energy
b) Potential energy
c) Mechanical energy
d) Thermal energy
Answer: b) Potential energy
The rate at which work is done or energy is transferred or transformed is equal to the:
a) Mass of the object
b) Time taken to do the work
c) Distance covered by the object
d) Force applied to the object
Answer: d) Force applied to the object
The work done by a force on an object is maximum when the angle between the force and displacement is:
a) 0 degrees
b) 45 degrees
c) 90 degrees
d) 180 degrees
Answer: a) 0 degrees
The energy possessed by an object due to its position or condition is directly proportional to its:
a) Mass
b) Height
c) Velocity
d) Force
Answer: b) Height
The work-energy theorem relates the concepts of:
a) Work and power
b) Power and energy
c) Work and energy
d) Work and force
Answer: c) Work and energy
The ability of an object to do work or cause a change is called:
a) Power
b) Energy
c) Force
d) Momentum
Answer: b) Energy
The energy possessed by an object due to its motion is directly proportional to its:
a) Mass
b) Velocity
c) Acceleration
d) Force
Answer: b) Velocity
The work done on an object is zero when the force and displacement are:
a) Parallel to each other
b) In the same direction
c) In opposite directions
d) Perpendicular to each other
Answer: d) Perpendicular to each other
The unit of power is equal to:
a) Joule per second
b) Newton per second
c) Kilogram per second
d) Meter per second
Answer: a) Joule per second
The rate at which work is done or energy is transferred or transformed is dependent on:
a) The mass of the object
b) The time taken to do the work
c) The distance covered by the object
d) The force applied to the object
Answer: d) The force applied to the object
The work done on an object is negative when the force and displacement are:
a) Perpendicular to each other
b) Parallel to each other
c) In the same direction
d) In opposite directions
Answer: d) In opposite directions
The energy possessed by an object due to its position or condition is called:
a) Kinetic energy
b) Potential energy
c) Mechanical energy
d) Thermal energy
Answer: b) Potential energy
The rate at which work is done or energy is transferred or transformed is dependent on:
a) The mass of the object
b) The time taken to do the work
c) The distance covered by the object
d) The force applied to the object
Answer: d) The force applied to the object
The work done by a force on an object is maximum when the force and displacement are:
a) Perpendicular to each other
b) Parallel to each other
c) In the same direction
d) In opposite directions
Answer: c) In the same direction
