The work done by the average force is 39.75 J.
What is the work done by the average force?
The work done by the average force of the slingshot is calculated by applying the following equation as shown below.
Mathematically, the formula for work done is given as;
W = Fd
where;
- F is the average force
- d is the displacement of the rock
The given parameters include;
- average force, f = 53 N
- displacement, d = 0.75 m
The work done by the average force is calculated as follows;
W = 53 N x 0.75 m
W = 39.75 J
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