A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is_____________________?

Related Mcqs:

When two forces, each equal to P, act at 90° to each other, then the resultant will be_____________?

A. P B. PV2 C. P/V2 D. 2P...

A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?

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The dimensions of power are_______________?

A. M’L2T2 B. M’L’T3 C. M’L’r2 D. M’L-‘T*...

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A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in________________?

A. 5 sec B. 8 sec C. 10 sec D. 20 sec...