Why is climbing a lamp post harder than climbing up a tree?

Mr. Dubey • 52.30K Points
Coach

Q. Why is climbing a lamp post harder than climbing up a tree?

(A) because of parallel friction force

(B) because of contact force between the bodies

(D) because of rope force

Correct : Option (A)

Explanation:

 sometimes, the electromagnetic contact force between two bodies may have a component acting parallel to the surface of contact. this is called friction. when bodies are placed with their smooth surfaces in contact, they provide only a small parallel component of contact of force and hence

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Q. Why is climbing a lamp post harder than climbing up a tree?

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