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Choose the correct opition (s), here the...

Choose the correct opition (s), here `theta` is the angle between contact force & vertical

A

If F=50N ,`theta =45^(@)`

B

If F=50N ,`theta=tan^(-)(1//2)`

C

If F=0,`theta=0^(@)`

D

If F = 100N, `theta = 45^(@)`

Text Solution

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The correct Answer is:
B, C
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