Physics-
General
Easy
Question
A 5 m long pole of 3 kg mass is placed against a smooth vertical well as shown in the figure. Under equilibrium condition, if the pole makes an angle of 37° with the horizontal, the frictional force between the pole and horizontal surface is
- 20 N
- 30 N
- 20 mN
- 30 mN
The correct answer is: 20 N
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