BAB 3. USAHA

What is the definition of work in physics?

• The amount of energy an object possesses.

• The rate at which energy is transferred.

• The effort to move an object over a certain distance.

• The force applied to an object without causing displacement.

A person pushes a box with a force of 100 N, causing it to move 5 meters. How much work is done?

• 20 J

• 50 J

• 100 J

• 500 J

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How is power defined in physics?

• The total distance an object travels.

• The total energy used per second.

• The force required to stop a moving object.

• The ability to do work.

If 1200 Joules of work are done in 60 seconds, what is the power?

• 20 W

• 60 W

• 120 W

• 72000 W