Question

explain why some of the leaves may get detached from a tree if we vigorously shake its branches​

Answer 1

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This is because shaking of branch comes in motion and the leaves tend to remain at rest due to inertia at rest. Therefore, the leaf get detached due to gravitational force.

Answer 2

Explanation:

When we vigorously shake the tree, the tree comes into motion due to inertia of motion while the leaves tend to remain in the state of rest due to inertia of rest and hence they fall down.