1.A worker pushes a 20 kg box across a horizontal floor with a constant force of 50 N. The box moves 5 meters in the direction of the force.
Question: How much work does the worker do on the box?
2. A 5 kg object falls from a height of 10 meters. The gravitational acceleration is g = 9.8 m/s.
Question: How much work is done by gravity on the object during its fall?
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