Physics-
General
Easy
Question
In the figure, 
and 
. For what minimum value of F, A starts slipping over B:
- 24 N
- 36 N
- 12 N
- 20 N
The correct answer is: 36 N
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A block of mass 
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Two blocks, one of mass A=1 kg and another B=2 kg are shown in figure. A force of 5 N is applied on A. Coefficient of friction between A and B is 0.2 and that between B and horizontal surface is zero. Find the time taken for the front face of A to coincide with that of B
Two blocks, one of mass A=1 kg and another B=2 kg are shown in figure. A force of 5 N is applied on A. Coefficient of friction between A and B is 0.2 and that between B and horizontal surface is zero. Find the time taken for the front face of A to coincide with that of B
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The wall is rough but the contact surface between A and B is smooth. A force F is applied horizontally on B. The friction of A towards wall side in equilibrium will be :
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A force 
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A car is going at a speed of 6 m/s when it encounters a 15 m slope of angle 30° The friction coefficient between the road and tyre is 0.5. The driver applies the brakes. The minimum speed of car with which it can reach the bottom is :
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