Physics · Work, Power and Energy
Which of the following is true according to the work-energy theorem?
- 1Work done on an object can either increase or decrease its kinetic energy✓
- 2The work done on an object is always positive
- 3Work done on an object always increases its kinetic energy
- 4Kinetic energy is always conserved
Correct answer
Work done on an object can either increase or decrease its kinetic energy
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