A 5 kilogram block is dropped from a height of 3 meters and falls straight to the ground. What is the work done by the force of gravity?

Workdone = 147Nm

Explanation:

Given the following data;

Mass = 5kg

Height = 3m

We know that acceleration due to gravity is 9.8m/s²

First of all, we would find the force applied;

Force = 5*9.8

Force = 49N

Now, to find the workdone;

Substituting into the equation, we have;

Workdone = 49 * 3

Workdone = 147Nm

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