Laws Of Motion Question 327

Question: In the diagram shown, friction is completely absent. If a force F has been applied on the wedge such that it moves with a constant velocity than value of normal reaction N’ is

Options:

A) $ >F $

B) $ <F $

C) $ =F $

D) cannot find

Show Answer

Answer:

Correct Answer: A

Solution:

[a] For the wedge, $ N^{A}\sin \theta =F $

$ \therefore N^{A}=\frac{F}{\sin \theta }.\text{ As sin}\theta \text{1, and so N }!!’!!\text{ F} $



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