A heavy ball is hung from the ceiling by a steel wire. the instructor pulls the ball back and stands against the wall with the ball against his chin. to avoid injury the instructor is supposed to release the ball without pushing it (fig. 6-33). why?

Question

Physics

Nikolas

30 July, 00:34

A heavy ball is hung from the ceiling by a steel wire. the instructor pulls the ball back and stands against the wall with the ball against his chin. to avoid injury the instructor is supposed to release the ball without pushing it (fig. 6-33). why?

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Broderick Robertson · Answer 1

If he pushes the ball it will swing back harder hitting him in the face. if he does not push it the airs force will slow it down to where he will be out of reach of the ball.