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Question

A torque of 0.5Nm is required to drive a screw into a wooden frame with the help of a screw driver. If one of the two forces of couple produced by screw driver is 50N, the width of the screw driver is:
  1. 0.75cm
  2. 1cm
  3. 0.5cm
  4. 1.5cm

A
1cm
B
0.5cm
C
1.5cm
D
0.75cm
Solution
Verified by Toppr

Let width be x. So the torque due to couple is 2×50×x/2=50x
50x=0.5x=0.01m=1 cm

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