Answer :

Final answer:

The calculation of moment or torque requires the distance from the point where the force is applied to the pivot point; without this distance, we cannot answer the student's question. We do calculate torque by multiplying the force by the distance to the pivot when that distance is known.

Explanation:

To calculate the moment or torque generated by a force applied at a point on a bracket, we need to know the distance from that point to the pivot point where the moment is being calculated. However, the student's question does not provide this crucial information: the distance from point A to the pivot point. Without this information, we are unable to calculate the moment.

The sample information provided discusses the concept of torque where a force is applied perpendicular to the radius, but to proceed with the calculation of the moment for the student's question, the missing distance value is necessary. For example, if 210 lb force is applied at point A of the bracket and the distance from point A to the pivot point is 1 foot, then the moment would be 210 lb-ft. The units of moment depend on both the units of force and distance. This concept aligns with the practice problems provided which demonstrate converting forces to different units and calculating torque with given force and distance.

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Rewritten by : Barada