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djverab [1.8K]
3 years ago
9

Two machines use the same force to move two identical boxes the same distance. If both machines go slower to move the boxes thei

r power increases.
True or
False
Physics
1 answer:
WINSTONCH [101]3 years ago
4 0
False (if the #s are lower the answer for power would also be lower)
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How much work in joules is required to lift a 23 kg box up from the ground to your waist that is 1.0 meters high, carry it 6 met
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Answer:

2682

Explanation:

Work done is given by :

Work = Force x distance

         =  mg x d

So, work done in lifting the box of 23 kg up to my waist of 1 m high is :

W = mg x d

   = 23 x 9.18 x 1

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Now work done carrying the box horizontally 6 meters across the room is

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   = 23 x 9.18 x 6

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Work done in placing the box on the shelf that is 5.7 m above the ground is

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So the total work done is = 211.14 + 1266.84 + 1203.49

                                          = 2681.47

                                          = 2682 (rounding off)

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The data table below shows the distribution of the energies of a pendulum 0.60 s into its motion. What is the missing value?
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