Answered

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Question 3
A mover pushes a box with 400N a distance of 3m in 55s.
a -Calculate the work:
b- Calculate the Power

Sagot :

quasarJose

Answer:

1200J

21.8Watts

Explanation:

Given parameters:

Force  = 400N

Distance  = 3m

Time  = 55s

Unknown:

Work done  = ?

Power  = ?

Solution:

Work done is the force applied to move a body through a certain distance.

Power is the rate at which work is done

 Work done  = Force x distance  = 400 x 3 = 1200J

Power  = [tex]\frac{work done }{time}[/tex]   = [tex]\frac{1200}{55}[/tex]    = 21.8Watts

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