Your car has stalled and you need to push it you notice as


Your car has stalled and you need to push it. You notice as the car gets going that you need less and less force to keep it going. Suppose that for the first 15 m your force decreased at a constant rate from 240 N to 35 N. How much work did you do on the car?

A 0.160 kg ball falls 2.2 m. How much work does the force of gravity do on the ball?

J

A forklift raises a box 1.8 m and does 6.0 kJ of work on it. What is the mass of the box?

kg

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Physics: Your car has stalled and you need to push it you notice as
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