Physics-
General
Easy
Question
Fig shows variation of force acting on a body, with time. Assuming the body to start from rest, the variation of its momentum with time is best represented by which plot?
The correct answer is:
Related Questions to study
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The variation of force acting on a particle of mass m with time is shown in figure. If the initial speed of particle is zero, then what is the speed of particle at 
?
The variation of force acting on a particle of mass m with time is shown in figure. If the initial speed of particle is zero, then what is the speed of particle at ?
physics-General
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Find the mass M of the hanging block in figure. Which will prevent the smaller block from slipping over the triangular block. All the surfaces are frictionless and the strings and the pulleys are light.
Find the mass M of the hanging block in figure. Which will prevent the smaller block from slipping over the triangular block. All the surfaces are frictionless and the strings and the pulleys are light.
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A man of mass m=60 kg is standing on weighing machine fixed on a triangular wedge of angle 
as shown in the figure. The wedge is moving up with an upward acceleration 
. The weight registered by machine is:
A man of mass m=60 kg is standing on weighing machine fixed on a triangular wedge of angle as shown in the figure. The wedge is moving up with an upward acceleration . The weight registered by machine is:
physics-General
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A block of mass 1 kg is at rest relative to a smooth wedge moving leftwards with constant acceleration 
Let 
be the normal reaction between the block and the wedge. Then : 
A block of mass 1 kg is at rest relative to a smooth wedge moving leftwards with constant acceleration Let be the normal reaction between the block and the wedge. Then :
physics-General
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A block is placed on an inclined plane moving towards right horizontally with an acceleration 
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physics-General
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A block of mass 
is pulled by a string acts which passes over a smooth pulley P fitted with the wedge of mass M. A horizontal force F=mg acts on the string. If the string is massless and inextensible, assuming frictionless contacting surfaces and 
then
A block of mass is pulled by a string acts which passes over a smooth pulley P fitted with the wedge of mass M. A horizontal force F=mg acts on the string. If the string is massless and inextensible, assuming frictionless contacting surfaces and then
physics-General
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Find the acceleration of the wedge so that the block is stationary with respect to wedge
Find the acceleration of the wedge so that the block is stationary with respect to wedge
physics-General
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In the figure the heavy mass moves down the smooth surface of a wedge making an angle 
with the horizontal. The wedge is on a smooth surface. The mass of the wedge is M. The direction of motion of the mass makes an angle 
with the horizontal, then 'Tan ' is
In the figure the heavy mass moves down the smooth surface of a wedge making an angle with the horizontal. The wedge is on a smooth surface. The mass of the wedge is M. The direction of motion of the mass makes an angle with the horizontal, then 'Tan ' is
physics-General
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In the system shown in the figure, the wedge M and the block m are free to move without friction. When system is released, then acceleration of the block relative to the wedge
I) is equal to 
II) is directed along the surface of the wedge.
Which of the above statements is/are true?
In the system shown in the figure, the wedge M and the block m are free to move without friction. When system is released, then acceleration of the block relative to the wedge
I) is equal to
II) is directed along the surface of the wedge.
Which of the above statements is/are true?
physics-General
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In the arrangement as shown, all surfaces are smooth. The masses of blocks A and B are same. Find the distance move by A in 1 second in horizontal direction, with respect to B if 
.
In the arrangement as shown, all surfaces are smooth. The masses of blocks A and B are same. Find the distance move by A in 1 second in horizontal direction, with respect to B if .
physics-General
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In an elevator going up with constant velocity V, particle A at the end of a smooth incline and particle B from the height at the other end of the incline are released at the same time, as shown. Particle B is dropped vertically. At the end C of the incline, particles collide. Find the height by which B s dropped.
In an elevator going up with constant velocity V, particle A at the end of a smooth incline and particle B from the height at the other end of the incline are released at the same time, as shown. Particle B is dropped vertically. At the end C of the incline, particles collide. Find the height by which B s dropped.
physics-General
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In the figure s>d. The masses are connected by a light inextensible string passing over a smooth pulley. When the system is released, mass 
will accelerate towards the pulley, provided :
In the figure s>d. The masses are connected by a light inextensible string passing over a smooth pulley. When the system is released, mass will accelerate towards the pulley, provided :
physics-General
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Find the acceleration of M shown in figure. Pulleys are light and frictionless and strings are light and inextensible. (M<5m)
Find the acceleration of M shown in figure. Pulleys are light and frictionless and strings are light and inextensible. (M<5m)
physics-General
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Consider the Atwood machine as shown in the figure. The larger mass is stopped for a moment 2.0 s after the system is set into motion. Find the time elapsed before the string is tight again.
Consider the Atwood machine as shown in the figure. The larger mass is stopped for a moment 2.0 s after the system is set into motion. Find the time elapsed before the string is tight again.
physics-General
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The pulley shown in the diagram is frictionless. A cat of mass 1 kg moves up on the massless string so as to just lift a block of mass 2 kg. After some time, the cat stops moving with respect to the string. The magnitude of the change in the cat's acceleration is:
The pulley shown in the diagram is frictionless. A cat of mass 1 kg moves up on the massless string so as to just lift a block of mass 2 kg. After some time, the cat stops moving with respect to the string. The magnitude of the change in the cat's acceleration is:
physics-General
