Question

A man thinks to remain in equilibrium by pushing his hands and feet against two vertical parallel walls.
1 ) He must exert equal forces on both walls
2 ) The forces of friction at both walls must be equal
3 ) Friction must be present on both walls




Pls help me ​

Answer 1

Answer:

correct answer is optiona 1) and 3)

Explanation:

The horizontal forces on the man must balance, i.e., the forces exerted by the two walls on him must be equal. The vertical forces can balance even if the forces of friction on the two walls are unequal. The torques due to the forces of friction about his centre of mass must balance. This requires friction on both walls.

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Answer 2

Answer:

options 1 and 3

Explanation:

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