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WorksheetsIGCSE Physics
Total questions: 12
Worksheet time: 24mins
Which of the following statements defines work done correctly?
A) Work done is the energy expended by an object.
B) Work done is the force applied to an object.
C) Work done is the displacement of an object.
D) Work done is the transfer of energy from one object to another.
Which of the following factors affects the amount of work done on an object?
A) Time taken to complete the work.
B) Force applied to the object.
C) Initial velocity of the object.
D) Mass of the object.
In physics, work done is measured in:
A) Newton (N).
B) Meter per second squared (m/s^2).
C) Joule (J).
D) Watt (W).
Which of the following situations involves zero work done?
A) Lifting a book off the ground.
B) Pushing a heavy box horizontally across a room.
C) Holding a weight stationary above your head.
D) Running up a flight of stairs.
A force of 20 N is applied to an object that moves a distance of 5 meters in the direction of the force. What is the work done on the object?
A) 20 J
B) 25 J
C) 50 J
D) 100 J
A car exerts a constant force of 500 N to move a distance of 100 meters. What is the work done by the car?
A) 50 J
B) 500 J
C) 5000 J
D) 50 kJ
A person lifts a box weighing 50 kg vertically upward by a distance of 2 meters. What is the work done on the box? (Take g = 10 m/s^2)
A) 100 J
B) 2 kJ
C) 1 kJ
D) 1000 kJ
Which of the following statements defines power correctly?
A) Power is the energy transferred per unit time.
B) Power is the force applied to an object.
C) Power is the rate at which work is done.
D) Power is the product of force and distance.
Which of the following units is used to measure power?
A) Newton (N)
B) Meter per second squared (m/s^2)
C) Joule (J)
D) Watt (W)
If a machine does 500 Joules of work in 10 seconds, what is its power output?
A) 5 W
B) 50 W
C) 100 W
D) 500 W
A motor exerts a force of 200 N to lift an object vertically upward a distance of 5 meters in 2 seconds. What is the power developed by the motor?
A) 50 W
B) 200 W
C) 500 W
D) 2,000 W
How much energy is dissipated as thermal energy?
A) 250 J
B) 500 J
C) 2000 J
D) 2500 J
