When a conservative force does positive work on a body, the potential energy (P.E) of the body
Correct answer: A. increases
- A. increases
- B. remains the same
- C. decreases
- D. may increase or decrease
Explanation
When a conservative force does positive work on a body, it imparts energy to the body, increasing its potential energy.Incorrect Options Explanation:(b) remains the same: If the force does positive work, it adds energy to the body, resulting in an increase in potential energy.(c) decreases: This is not accurate for a conservative force doing positive work.(d) may increase or decrease: This option is too broad; when a conservative force does positive work, the potential energy always increases.
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About Work and Energy
Work transfers energy when a force causes displacement, while kinetic energy, gravitational potential energy and power describe motion, position and the rate of energy transfer. The work-energy theorem links net work with change in kinetic energy, and efficiency accounts for energy losses rather than treating them as energy destruction.
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