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A pendulum bob of weight 1N is held at an angle tita from the vertical by a horizontal force of 2N. The tension is the string supporting the pendulum bob (in newton) is ???

A pendulum bob of weight 1N is held at an angle tita from the vertical by a horizontal force of 2N. The tension is the string supporting the pendulum bob (in newton) is ???

Grade:9

1 Answers

Shamitha
10 Points
6 years ago
Thequestion clearly asks;....The tension in the string supporting the pendulum(in Newtons) bob is m×g=1NF=2N(1)T=mg/cos(tita)=1/cos(tita)(2)T=F/sin(tita)=2/sin(tita)=> T=whole root of (Tsin(tita))^2 + (Tcos(tita))^2=whole root of 2^2+1^2=whole root of 4+1=> root of 5

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