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Force F is applied on upper pulley. If F...

Force F is applied on upper pulley. If F = 30 t where t is time in second. Find the time when `m_(1)` loses contact with floor : (Take `g = 10 m//s^(2)`)

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2 sec
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ALLEN-NEWTON'S LAWS OF MOTION & FRICTION-EXERCISE (S-1)
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  2. In the system shown, pulley and strings are ideal. The vertically upwa...

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  3. Force F is applied on upper pulley. If F = 30 t where t is time in sec...

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  4. A 40 kg boy climbs a rope that passes over an ideal pulley. The other ...

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  5. A 1kg block B rests as shown on a bracket A of same mass. Constant for...

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  6. In the figure shown, all surfaces are smooth and block. A and wedge B ...

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  7. Find the reading of the massless spring balance in the given condition

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  8. The system shown adjacent is in equilibrium. Find the acceleration of ...

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  9. A block of mass m lies on wedge of mass. Mas shown in figure. Wit...

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  10. The block A is moving downward with constant velocity v(0.) Find the v...

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  11. Find force in newton which mass A exert on mass B if B is moving to wa...

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  12. Rod A can slide in vertical direction pushing the triangular wedge B t...

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  13. Calculate the relative acceleration of A w.r.t. B if B is moving with ...

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  14. A block is placed on a rough horizontal plane. Three horizontalforces ...

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  15. A force of 100 N is applied on a block of mass 3kg as shown below. The...

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  16. Two trolleys A and B are moving with accelerations a and 2a, respectiv...

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  17. A thin rod of length 1 m is fixed in a vertical position inside a trai...

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  18. A block of mass m(1) = 1 kg is horizontally thrown with a velocity of ...

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  19. A block of mass m lies on wedge of mass Mas shown in figure. Find the ...

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  20. A block of mass 15 kg is resting on a rough inclined plane as shown in...

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