Astudent pushes against a tree with a force of 10 newtons the tree does not move. what is the amount of force exerted by the tree on the student

Newton's third law:

For every action, there is an equal and opposite reaction.

The student pushes against the tree with a force of 10 Newtons, therefore the tree pushes back with an equal magnitude of force, 10 Newtons.

that would be because of both gravity and friction. so     c

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