Correct Answer: Work done is equal to change in kinetic energy
Solution:
The work-energy theorem states that the work done on an object is equal to the change in its kinetic energy.
What is the work-energy theorem?
Practice Questions
Q1
What is the work-energy theorem?
Work done is equal to change in momentum
Work done is equal to change in kinetic energy
Work done is equal to change in potential energy
Work done is equal to change in total energy
Questions & Step-by-Step Solutions
What is the work-energy theorem?
Step 1: Understand what work means. Work is done when a force moves an object over a distance.
Step 2: Know what kinetic energy is. Kinetic energy is the energy an object has because it is moving.
Step 3: Learn the work-energy theorem. It says that the total work done on an object will change its kinetic energy.
Step 4: Remember the formula. The work done (W) is equal to the change in kinetic energy (ΔKE). This can be written as W = ΔKE.
Step 5: Understand change in kinetic energy. Change in kinetic energy means the difference between the final kinetic energy and the initial kinetic energy.
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