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Posted by on Saturday, October 23, 2010 at 6:09pm.

A chair lift holding a 100 kg man rises 5 meters in height in 10 second time period. Ignore the weight of the chair and related machinery and answer the following: What is the weight (force exerted by his mass) of the man, in Newtons?

  • physics - , Saturday, October 23, 2010 at 8:35pm

    It depends upon whether the velocity is constant during the 10 seconds or if the skier started from a standstill.

    Weight always equals Mg. There can be addional or reduced force on the seat if the chair is accelerating or decelerating. Most chair lifts maintain a constant velocity.

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