At a distance of 1.33 m 250-N load be hung on the pole, such that the father will carry twice the load of his son.
<h3>What is torque?</h3>
Torque is the force's twisting action about the axis of rotation. Torque is the term used to describe the instant of force. It is the rotational equivalent of force.
Torque about the left end ;

From the observation,

After rearranging equation, we get;

Substitute the value of the obtained force we get;
x=1.33 m
Hence, at a distance of 1.33 m ,250-N load be hung on the pole, such that the father will carry twice the load of his son.
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Answer:
The correct option is momentum is conserved
Explanation:
A closed system is a system that is independent/free of external factors/force and does not exchange matter with its surrounding. Since a close system is free of external factors/force; <em>acceleration is constant in it, mass is conserved in it and there will be changes in velocities of objects in the closed system</em>.
This question actually seeks to test our knowledge of the law of momentum. The law of conservation of momentum states that the momentum of a closed system is conserved.
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