Question

A forklift raises a box weighing 475N from the floor to a height of 18m in 12 seconds. What power is produced by the forklift motor in watts

Answer 1

The power produced is 712.5 W

Explanation:

First of all, we start by finding the work done by the forklift.

The work done on an object pushed in the same direction as the force is given by:

$W=Fd$

where

F is the magnitude of the force

d is the displacement of the object

In this problem,

F = 475 N is the force applied to raise the box

d = 18 m is the displacement

Substituting,

$W=(475)(18)=8550 J$

Now we can calculate the power, which is the ratio between the work done and the time taken:

$P=\frac{W}{t}$

Here we have,

W = 8550 J

t = 12 s

Substituting,

$P=\frac{8550}{12}=712.5 W$

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