Adaptive Practice
Work and Energy
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Question 1 of 10
⏱ 0:30
Easy
Which of the following is the correct formula for work done when a force is applied on an object moving in the direction of the force?
Easy
When is the work done by a force zero?
Easy
A person lifts a bucket of water from the ground to the top of a well. The work done by the person is:
Easy
Which of the following is an example of potential energy?
Easy
The SI unit of energy is:
Medium
If a body of mass 2 kg is moving with a velocity of 3 m/s, what is its kinetic energy?
Medium
Which of the following statements is correct regarding the law of conservation of energy?
Medium
A stone is thrown vertically upwards. At the highest point, its kinetic energy is:
Hard
Which of the following is not a form of mechanical energy?
Hard
A car of mass 1000 kg is moving with a velocity of 20 m/s. If the velocity is doubled, the kinetic energy will: