Work and Energy Practice Quiz

1. Faye is helping her neighbors move by lifting their boxes and placing them in their car.

She is lifting a box with a force or 120 N, 4 m high. How much work is she doing on the box?

2. Sarah did a total of 600 J of work pushing a grocery cart 3m. How much Force was being applied on the cart?

3. Jonny pushed a 12 kg desk 4 m. How much work did he do on the desk?

4a. Define the word "work" in terms of science.

b. Define the word "energy" in terms of science.

5. Classify each of the following as "kinetic energy"or "potential energy"

a. a heavy rock held by someone, about to be dropped.

b. a girl running as fast as she can.

c. an elastic band being stretched back.

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