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

Kai Kaiser

Physics

13 February, 18:30

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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Malcolm Harper · 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.