Volume 1
The upper portion of an inclined plane of inclination a is smooth and the lower portion is rough. A particle slide down from rest the top and just comes to rest at the foot . If the ratio of smooth length to rough length is m:n, find the coefficient of friction .
19
Oct
The upper portion of an inclined plane of inclination a is smooth and the lower portion is rough. A particle slide down from rest the top and just comes to rest at the foot . If the ratio of smooth length to rough length is m:n, find the coefficient of friction . A mass M [...]
A ladder of mass 10kg is held at rest against a smooth wall on a rough ground as shown in figure. The normal reaction between the wall and the ladder is
19
Oct
A ladder of mass 10kg is held at rest against a smooth wall on a rough ground as shown in figure. The normal reaction between the wall and the ladder is A ladder of mass 10kg is held at rest against a smooth wall on a rough ground as shown in figure. The normal reaction [...]
A 60 kg body is pushed with just enough force to start it moving across a floor and the same force continues to act afterwards. The coefficient of static friction and sliding friction are 0.5 and 0.4 respectively. The acceleration of the body is
19
Oct
A 60 kg body is pushed with just enough force to start it moving across a floor and the same force continues to act afterwards. The coefficient of static friction and sliding friction are 0.5 and 0.4 respectively. The acceleration of the body is A mass M is suspended by a rope from a rigid [...]
Two blocks m1 = 4kg and m2 = 2kg, connected by a weightless rod on a plane having inclination of 37^∘ as shown in figure. The coefficients of dynamic friction of m1 and m2 with the inclined plane are μ=0.25 each. Then the common acceleration of the two blocks and the tension in the rod are
19
Oct
Two blocks m1 = 4kg and m2 = 2kg, connected by a weightless rod on a plane having inclination of 37^∘ as shown in figure. The coefficients of dynamic friction of m1 and m2 with the inclined plane are μ=0.25 each. Then the common acceleration of the two blocks and the tension in the rod [...]
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A mass M is suspended by a rope from a rigid support at A as shown in figure. Another rope is tied at the end B ,
and it is pulled horizontally with a force. If the rope AB makes an angle θ with the vertical in equilibrium then the tension in the string AB is ,
Two blocks m1 = 4kg and m2 = 2kg ,
A uniform of rope length L and mass M is placed on a smooth fixed wedge as shown. Both ends of rope are at same horizontal level. The rope is initially released from rest, then the magnitude of initial acceleration of rope is.
19
Oct
A uniform of rope length L and mass M is placed on a smooth fixed wedge as shown. Both ends of rope are at same horizontal level. The rope is initially released from rest, then the magnitude of initial acceleration of rope is. A uniform of rope length L and mass M is placed on [...]
Reading shown in two spring balances S1 and S2 is 90 kg and 30 kg respectively and lft is accelerating upwards with acceleration 10m/s^2.S1 in elongated and S2 is compressed. The mass is stationary with respect to lift. Then the mass of the block will be
19
Oct
Reading shown in two spring balances S1 and S2 is 90 kg and 30 kg respectively and lft is accelerating upwards with acceleration 10m/s^2.S1 in elongated and S2 is compressed. The mass is stationary with respect to lift. Then the mass of the block will be A mass M is suspended by a rope from [...]
A massless spring balance is attached to 2 kg trolley and is used to pull the trolley along a flat smooth surface as shown in the figure. The reading on the spring balance is 10 kg during the motion. The acceleration of the trolley is (Use g=9.8 ms^−2)
19
Oct
A massless spring balance is attached to 2 kg trolley and is used to pull the trolley along a flat smooth surface as shown in the figure. The reading on the spring balance is 10 kg during the motion. The acceleration of the trolley is (Use g=9.8 ms^−2) A mass M is suspended by a [...]
Two blocks of masses M1 and M2 are connected to each other through a light spring as shown in figure. If we push mass M1 with force F and cause acceleration a1 in right direction for mass M1, what will be the magnitude of acceleration of M2 ?
19
Oct
Two blocks of masses M1 and M2 are connected to each other through a light spring as shown in figure. If we push mass M1 with force F and cause acceleration a1 in right direction for mass M1, what will be the magnitude of acceleration of M2 ? Two blocks of masses M1 and M2 [...]
A mass M is suspended by a rope from a rigid support at A as shown in figure. Another rope is tied at the end B, and it is pulled horizontally with a force. If the rope AB makes an angle θ with the vertical in equilibrium then the tension in the string AB is
19
Oct
A mass M is suspended by a rope from a rigid support at A as shown in figure. Another rope is tied at the end B, and it is pulled horizontally with a force. If the rope AB makes an angle θ with the vertical in equilibrium then the tension in the string AB is [...]
Air is blowing and is providing a constant horizontal acceleration ax = g to the particle as shown in the figure. Particle is projected from point P with a velocity u in upward direction. Let Q be the highest point of the particle. Speed of the particle at highest point Q is
19
Oct
Air is blowing and is providing a constant horizontal acceleration ax = g to the particle as shown in the figure. Particle is projected from point P with a velocity u in upward direction. Let Q be the highest point of the particle. Speed of the particle at highest point Q is A particle A [...]