Part 1
Two masses 40 kg and 30 kg are connected by a weightless string passing over a frictionless pulley as shown in the figure. The tension in the string will be
11
Sep
Two masses 40 kg and 30 kg are connected by a weightless string passing over a frictionless pulley as shown in the figure. The tension in the string will be Two masses 40 kg and 30 kg are connected by a weightless string passing over a frictionless pulley as shown in the figure. The tension [...]
Three equal weights A, B and C of mass 2 kg each are hanging on a string passing over a fixed frictionless pulley as shown in the figure. The tension in the string connecting weights B and C is:
11
Sep
Three equal weights A, B and C of mass 2 kg each are hanging on a string passing over a fixed frictionless pulley as shown in the figure. The tension in the string connecting weights B and C is: B and C of mass 2 kg each are hanging on a string passing over a [...]
A string of length L and mass M is lying on horizontal table. A force F is applied at one of its end. Tension in the string at a distance y from the ends at which force is applied is
11
Sep
A string of length L and mass M is lying on horizontal table. A force F is applied at one of its end. Tension in the string at a distance y from the ends at which force is applied is A string of length L and mass M is lying on horizontal table. A force [...]
A dynamometer D is attached to two bodies of masses M = 6 kg and m = 4 kg. Force F=20 N and f = 10 N are applied to the masses as shown. The dynometer reads
11
Sep
A dynamometer D is attached to two bodies of masses M = 6 kg and m = 4 kg. Force F=20 N and f = 10 N are applied to the masses as shown. The dynometer reads A dynamometer D is attached to two bodies of masses M = 6 kg and m = 4 [...]
A body of mass 5 kg is acted on by a force F which varies with time t as shown in graph. Then the momentum gained by the body at the end of 10 seconds is
11
Sep
A body of mass 5 kg is acted on by a force F which varies with time t as shown in graph. Then the momentum gained by the body at the end of 10 seconds is A body of mass 5 kg is acted on by a force F which varies with time t as [...]
A block released from rest from the top of a smooth inclined plane of angle θ1 reaches the bottom in time t1. The same block released from rest from the top of another smooth inclined plane of angle θ2, reaches the bottom in time t2. If the two inclined planes have the same height, the relation between t1 and t2 is
11
Sep
A block released from rest from the top of a smooth inclined plane of angle θ1 reaches the bottom in time t1. The same block released from rest from the top of another smooth inclined plane of angle θ2, reaches the bottom in time t2. If the two inclined planes have the same height, the [...]
When a force F acts on a body of mass m, the acceleration produced in the body is a if three equal forces F1 = F2 = F3 = F act on the same body as shown in figure. The acceleration produced is :
11
Sep
When a force F acts on a body of mass m, the acceleration produced in the body is a if three equal forces F1 = F2 = F3 = F act on the same body as shown in figure. The acceleration produced is : the acceleration produced in the body is a if three equal [...]
A rod of length L and mass M is acted on by two unequal to force F1 and F2 (< F1) as shown in the following figure. The tension in the rod at a distance y from the end a is given by :
11
Sep
A rod of length L and mass M is acted on by two unequal to force F1 and F2 (< F1) as shown in the following figure. The tension in the rod at a distance y from the end a is given by : A rod of length L and mass M is acted on [...]
A block of mass m is connected to another block of mass M by a spring (massless) of spring constant k. The blocks are kept on a smooth horizontal plane. Initially, the blocks are at rest and the spring is unstretched. Then a constant force F starts acting on the block of mass M to pull it. Find the force on the block of mass m.
11
Sep
A block of mass m is connected to another block of mass M by a spring (massless) of spring constant k. The blocks are kept on a smooth horizontal plane. Initially, the blocks are at rest and the spring is unstretched. Then a constant force F starts acting on the block of mass M to [...]
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A block of mass m is connected to another block of mass M by a spring (massless) of spring constant k. The blocks are kept on a smooth horizontal plane. Initially ,
the blocks are at rest and the spring is unstretched. Then a constant force F starts acting on the block of mass M to pull it. Find the force on the block of mass m. ,
A rocket of mass 100 kg burns 0.1 kg of fuel per sec.if velocity of exhaust gas is 1 km/sec then it lifts with an acceleration of
11
Sep
A rocket of mass 100 kg burns 0.1 kg of fuel per sec.if velocity of exhaust gas is 1 km/sec then it lifts with an acceleration of A rocket of mass 100 kg burns 0.1 kg of fuel per sec.if velocity of exhaust gas is 1 km/sec then it lifts with an acceleration of [...]