Homework Help: physics

Posted by lisa on Thursday, May 31, 2012 at 8:52pm.

in which of the following is the most work being done by roy and which example roy doing no work? a)roy lifts a 5kg radio up 1 meter b) roy holds a 5 kg radio at a height of 1meter for 3 hours. c)roy lifts a 10 kg TV up 1 meter d)roy lifts a 10 kg TV up 2 meters. e) roy drops a 10 kg TV from a height of 23 meters.

physics - Damon, Thursday, May 31, 2012 at 8:56pm
10 * 2 is max (d)

The 0 * 23 = 0 , no work by roy , (e)

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