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Which of the following statements is/are...

Which of the following statements is/are incorrect

A

The normal force is the same thing as the weight

B

The normal force is different from the weight, but always has the same magnitude

C

The normal force is different from thw eight, but the two form an action-reaction pair according to Newton's law.

D

The normal force is different from the the weight, but the two may have the same magnitude in certain cases.

Text Solution

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if a=0,N=mg
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