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General
Easy
Question
In the diagram shown in figure, both pulleys and strings are massless. The acceleration of 2 kg block is
The correct answer is:
Related Questions to study
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
physics-
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
physics-
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
physics-
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
physics-
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
physics-
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
physics-General
physics-
A sand pile as shown. The coefficient of friction between sand particles is . Find the greatest height 
of second sand pile that can be erected without spilling the sand on to surrounding area
A sand pile as shown. The coefficient of friction between sand particles is . Find the greatest height of second sand pile that can be erected without spilling the sand on to surrounding area
physics-General
physics-
A block placed on a rough inclined plane of inclination 
can just be pushed upwards by applying a force "F" as shown. If the angle of inclination of the inclined plane is increased to 
, the same block can just be prevented from sliding down by application of a force of same magnitude. The coefficient of friction between the block and the inclined plane is
A block placed on a rough inclined plane of inclination can just be pushed upwards by applying a force "F" as shown. If the angle of inclination of the inclined plane is increased to , the same block can just be prevented from sliding down by application of a force of same magnitude. The coefficient of friction between the block and the inclined plane is
physics-General
physics-
In the shown arrangement if 
and T be the frictional forces on 2 kg block, 3 kg block & tension in the string respectively, then their values are: 
In the shown arrangement if and T be the frictional forces on 2 kg block, 3 kg block & tension in the string respectively, then their values are:
physics-General
