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using a metal bar which is mounted in a metal frame with a hinge at one end, a f

ID: 1965346 • Letter: U

Question

using a metal bar which is mounted in a metal frame with a hinge at one end, a force probe is mounted in the middle used to measure the weight of the bar. a system of weights and pullys are used to apply forces.
A). Suppose we repeat the experiment with a bar that is twice the mass and half the length. Will the moment of inertia of the new bar be greater than, less than, or not change compared to the original bar? Explain.
B.) Ex. If you want to push a merry-go-round and make it as easy as possible, where should you tell your friends to sit?

Explanation / Answer

I will be increasd as I is praportional to mass we should sit at the centre of mass of system as I will be least

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