A man lifts a 2.9 kg stone vertically with his hand at a constant velocity of 1.6 m/s.
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A man lifts a 2.9 kg stone vertically with his hand at a constant velocity of 1.6 m/s.

[From: ] [author: ] [Date: 11-09-23] [Hit: ]
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What is the force exerted by his hand on the stone?

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the phrase constant velocity means the net force on the stone is zero; this means that the force applied equals the weight of the stone

the force applied = mg = 2.9kg*9.8m/s/s = 28.4N
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