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ZanzabumX [31]
3 years ago
5

6. A boy pushes his little brother in a box with a force of 500 N for 324 m How much work is this if the force of

Mathematics
1 answer:
olganol [36]3 years ago
7 0

Answer:

(a) 129600 J

(b) 81000 J

Step-by-step explanation:

The work done is given by the product of force and the displacement in the direction of force.

Force, F = 500 N

distance, d = 324 m

(a) friction force, f = 100 N

The work done is

W = (F - f) x d

W = (500 - 100) x 324

W = 129600 J

(b) Friction, f = 250 N

The work done is

W = (F - f) d

W = (500 - 250) x 324

W = 81000 J

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