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Standard XII

Physics

Inertial vs Non Inertial Frames

A spool is pu...

Question

A spool is pulled horizontally by two equal and opposite forces as shown in the figure. Which of the following statements is correct?

The centre of mass moves towards left

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The centre of mass moves towards right

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The centre of mass remains stationary

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The net torque about the centre of mass of the spool is zero.

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Solution

The correct option is B The centre of mass moves towards right
About bottommost point net torque is clockwise. Hence, centre of mass moves with acceleration a = R $α$ towards right.

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A spool is pulled horizontally by two equal and opposite forces as shown in the figure. Which of the following statements is correct?

The correct option is B The centre of mass moves towards rightAbout bottommost point net torque is clockwise. Hence, centre of mass moves with acceleration a = Rα towards right.

The correct option is B The centre of mass moves towards right
About bottommost point net torque is clockwise. Hence, centre of mass moves with acceleration a = R $α$ towards right.