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chadgidge
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A rod of length 61.0 cm and mass 2.10 kg is suspended by two strings which are 37.0 cm long, one at each end of the rod. The string on side B is cut. Find the magnitude of the initial acceleration of end B.
Torque is a measure of the rotational force applied to an object. It is calculated by multiplying the force applied to an object by the distance from the pivot point (also known as the moment arm).
Force and torque are both measures of a push or pull on an object, but they act in different directions. Force acts in a linear direction, while torque acts in a rotational direction.
Torque and angular acceleration are directly proportional to each other. This means that as the torque on an object increases, the angular acceleration also increases.
The unit of measurement for torque is Newton-meters (Nm) in the International System of Units (SI). In the English system, it is measured in foot-pounds (ft-lb).
The distribution of mass affects torque by changing the moment arm (distance from the pivot point). Objects with more mass distributed farther from the pivot point will have a greater torque than objects with the same mass but distributed closer to the pivot point.