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General
Easy
Question
A small block of mass 'M' slides down from top edge 'A' of a smooth curved surface as shown in the figure. The surface becomes horizontal at edge 'B'. The maximum possible horizontal range for the body is
- H
The correct answer is:
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physics-
A block of mass 2 kg slides along a frictionless table with a speed of 10 m/sec. Directly in front of it and moving in the same direction is a block of mass 5 kg moving at 3 m/sec. A massless spring of spring constant k=1120 N/m is attached to the back side of 5 kg mass as shown in figure. When the blocks collides, the maximum compression in the spring (if the spring does not ben(D) will be :
A block of mass 2 kg slides along a frictionless table with a speed of 10 m/sec. Directly in front of it and moving in the same direction is a block of mass 5 kg moving at 3 m/sec. A massless spring of spring constant k=1120 N/m is attached to the back side of 5 kg mass as shown in figure. When the blocks collides, the maximum compression in the spring (if the spring does not ben(D) will be :
physics-General
physics-
A particle is projected up from a point at an angle 
with the horizontal direction. At any time 't', if 
is the linear momentum, y is the vertical displacement, ' x ' is horizontal displacement, the graph among the following which does not represent the variation of kinetic energy 'k' of the particle is
A) 
B) 
C) 
D) 
A particle is projected up from a point at an angle with the horizontal direction. At any time 't', if is the linear momentum, y is the vertical displacement, ' x ' is horizontal displacement, the graph among the following which does not represent the variation of kinetic energy 'k' of the particle is
A)
B)
C)
D)
physics-General
physics-
In the diagram shown in figure, both pulleys and strings are massless. The acceleration of 2 kg block is
In the diagram shown in figure, both pulleys and strings are massless. The acceleration of 2 kg block is
physics-General
physics-
Two particles of masses 
and 
connected by a light inextensible string, are released from rest as shown in the figure. If the contacting surfaces are smooth, at the given position
Two particles of masses and connected by a light inextensible string, are released from rest as shown in the figure. If the contacting surfaces are smooth, at the given position
physics-General
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In the system shown in the adjoining figure, the acceleration of the 1 kg mass is:
In the system shown in the adjoining figure, the acceleration of the 1 kg mass is:
physics-General
physics-
Assuming all the surface to be frictionless, acceleration of the block C shown in the figure is :
Assuming all the surface to be frictionless, acceleration of the block C shown in the figure is :
physics-General
physics-
Two forces 
and 
act on the particles and respectively. If the ideal pulley-particle system remains in smooth horizontal plane, the tension in the string is :
Two forces and act on the particles and respectively. If the ideal pulley-particle system remains in smooth horizontal plane, the tension in the string is :
physics-General
physics-
Object A and B each of mass 
are connected by light inextensible cord. They are constrained to move on a frictionless ring in a vertical plane as shown in figure. The objects are released from rest at the positions shown. The tension in the cord just after release will be
Object A and B each of mass are connected by light inextensible cord. They are constrained to move on a frictionless ring in a vertical plane as shown in figure. The objects are released from rest at the positions shown. The tension in the cord just after release will be
physics-General
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A force F is applied to the initially stationary cart. The variation of force with time is shown in the figure. The speed of cart at t=5sec is
A force F is applied to the initially stationary cart. The variation of force with time is shown in the figure. The speed of cart at t=5sec is
physics-General
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At t=0, force F=ct is applied to a small body of mass m resting on a smooth horizontal plane (c is a constant). The force is at an angle with the horizontal .The velocity of the body at the moment of its breaking off the plane and the distance travelled by the body up to this moment are
At t=0, force F=ct is applied to a small body of mass m resting on a smooth horizontal plane (c is a constant). The force is at an angle with the horizontal .The velocity of the body at the moment of its breaking off the plane and the distance travelled by the body up to this moment are
physics-General
physics-
A body of mass 8 kg hanging from another body of mass 12 kg is being pulled by a string with an acceleration of 
vertically upward. The tension 
in the string pulling 12 kg upward will be
A body of mass 8 kg hanging from another body of mass 12 kg is being pulled by a string with an acceleration of vertically upward. The tension in the string pulling 12 kg upward will be
physics-General
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A painter of mass M stands on a platform of mass m and pulls himself up by two ropes which hang over pully as shown Fig. He pulls each rope with force F and moves upward with a uniform acceleration a. Find a neglecting the fact that no one could do this for long time.
A painter of mass M stands on a platform of mass m and pulls himself up by two ropes which hang over pully as shown Fig. He pulls each rope with force F and moves upward with a uniform acceleration a. Find a neglecting the fact that no one could do this for long time.
physics-General
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In the given figure the wedge is fixed, pulley is frictionless and string is light. Surface AB is frictionless whereas AC is rough. if the block of mass 3 m slides down with constant velocity, then the coefficient of friction between surface AC and the block is :
In the given figure the wedge is fixed, pulley is frictionless and string is light. Surface AB is frictionless whereas AC is rough. if the block of mass 3 m slides down with constant velocity, then the coefficient of friction between surface AC and the block is :
physics-General
physics-
In the figure, what should be mass m so that block A slide up with a constant velocity?
In the figure, what should be mass m so that block A slide up with a constant velocity?
physics-General
physics-
A block of mass is on an inclined plane of angle 
, where 
is the coefficient of friction between the block and plane. The block is held stationary by applying a force P parallel to the plane. P is varied from 
to 
. Taking the direction pointing up the plane as positive, the frictional force f versus P graph will look like
A block of mass is on an inclined plane of angle , where is the coefficient of friction between the block and plane. The block is held stationary by applying a force P parallel to the plane. P is varied from to . Taking the direction pointing up the plane as positive, the frictional force f versus P graph will look like
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