Question

A high-jumper successfully clears the bar. Is it possible that his centre of mass crossed the bar from below it? Try it with appropriate figures.

Answer 1

Answer:

yes is centre of mass can cross the if he bends himself in a arc because centre of mass of an Arc lies inside the area of the arc and hands while jumping is centre of mass will cross the bar

Answer 2

It is shown that if a high jumper easily clears the bar, its center of mass can cross the bar from below, since the legs and the high jumper hands are below the bar.

Explanation:

• From the image, it is shown that if a high jumper easily clears the bar, its center of mass can cross the bar from below, since the legs and the high jumper hands are below the bar.
• The point seen in the image may therefore be its center of mass.

Center of mass:- The mass of center is a fixed place relative to an object or group of objects. This is the average place of all elements of the system, weighted by their masses.

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