Concept explainers
The force exerted by each person.
Answer to Problem 89A
The force exerted by each person on each side is
Explanation of Solution
Given:
The weight of a bag of topsoil is
The length of the sheet of wood is
Formula used:
The expression for the torque as follows:
Here,
Calculation:
Consider the weight of the topsoil bags as
The weight of the topsoil bags as follows:
Show the situation as shown in Figure below.
Consider the location of
Apply the total torque on the system is zero.
The total force on the system is zero.
Conclusion:
Therefore, the force exerted by each person on each side is
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