More Work-Energy Problems Video Lessons

Example

# Problem: During their discussion, Jolon makes several statements about energy. Which statement is correct?a. “Energy in a system changes depending on what kind of energy is in the system”b. “Energy in a system c and potential forms.”c. “Energy in a system can be increased if work is inserted into the system from outside.”d. “Energy in a system is always constant.”

###### FREE Expert Solution

Work is done by exerting an external force on the system.

The implication is that when force is exerted on a system through a distance, the energy of the system will change.

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###### Problem Details

During their discussion, Jolon makes several statements about energy. Which statement is correct?

a. “Energy in a system changes depending on what kind of energy is in the system”

b. “Energy in a system c and potential forms.”

c. “Energy in a system can be increased if work is inserted into the system from outside.”

d. “Energy in a system is always constant.”