Q.

A 1N pendulum bob is held at an angle θ from the vertical by a 2 N horizontal force F as shown in the figure. The tension in the string supporting the pendulum bob (in newton) is

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a

cosθ

b

2cosθ

c

5

d

1

answer is C.

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Detailed Solution

Tcosθ=W,Tsinθ=F,T=W2+F2

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A 1N pendulum bob is held at an angle θ from the vertical by a 2 N horizontal force F as shown in the figure. The tension in the string supporting the pendulum bob (in newton) is