Physics-
General
Easy
Question
A slider block of mass 10 kg with a hanging rope is moving on an inclined surface at an angle of 30° with horizontal. A monkey of 10 kg is climbing on the rope with an acceleration of 
. The slider block also slides with acceleration of 
. The surface are smooth. How much force should 
he monkey apply to the rope to 
- 107.5 N
- 115.5 N
- 127.5 N
- 105.5 N
The correct answer is: 107.5 N
Related Questions to study
physics-
Block A moves on fixed incline. Surface PQ of block A is parallel to the inclined surface of the incline. The rod B rests on block A, as shown. All contacts are smooth. If the acceleration of the block A is a, find the acceleration of rod B :
Block A moves on fixed incline. Surface PQ of block A is parallel to the inclined surface of the incline. The rod B rests on block A, as shown. All contacts are smooth. If the acceleration of the block A is a, find the acceleration of rod B :
physics-General
physics-
Lifts A and B of masses 
and 
starts moving from rest with acceleration a in upward and downward directions respectively. Lift B is stopped after time t. If the strings are tight again in the interval of time 
, then is
Lifts A and B of masses and starts moving from rest with acceleration a in upward and downward directions respectively. Lift B is stopped after time t. If the strings are tight again in the interval of time , then is
physics-General
physics-
A smooth ring of mass m can slides on a fixed horizontal rod. A string tied to the ring passes over a fixed pulley B and carries a block C of mass 2 m as shown below. As the ring starts sliding :
A smooth ring of mass m can slides on a fixed horizontal rod. A string tied to the ring passes over a fixed pulley B and carries a block C of mass 2 m as shown below. As the ring starts sliding :
physics-General
physics-
A boy of mass 40 kg stands in a frame of mass 360 kg. He pulls on a light rope which passes over a pulley. The other end of the rope is firmly attached to the frame. What force should be exerted by the boy on the rope for the system to be in equilibrium ? ( g= acceleration due to gravity)
A boy of mass 40 kg stands in a frame of mass 360 kg. He pulls on a light rope which passes over a pulley. The other end of the rope is firmly attached to the frame. What force should be exerted by the boy on the rope for the system to be in equilibrium ? ( g= acceleration due to gravity)
physics-General
physics-
Two insects each of mass m moves with accelerations 
relative to the light inextensible string as shown in the figure. The ratio of tensions in the portions AB and BC of the string is:
Two insects each of mass m moves with accelerations relative to the light inextensible string as shown in the figure. The ratio of tensions in the portions AB and BC of the string is:
physics-General
physics-
A horizontal uniform beam AB of length 4 m and a mass of 20 kg is supported at the end B by means of a string which passes over a fixed, smooth pulley supporting a counterbalancing weight of 8 kg on the other side. What force, F, when applied at the point 
in a suitable direction, will hold the beam in static equilibrium ?
A horizontal uniform beam AB of length 4 m and a mass of 20 kg is supported at the end B by means of a string which passes over a fixed, smooth pulley supporting a counterbalancing weight of 8 kg on the other side. What force, F, when applied at the point in a suitable direction, will hold the beam in static equilibrium ?
physics-General
physics-
The system starts from rest and A attains a velocity of 5 m/s after it has moved 5 m towards right. Assuming the arrangement to be frictionless every where and pulley & string to be light, the value of the force F applied on A is :
The system starts from rest and A attains a velocity of 5 m/s after it has moved 5 m towards right. Assuming the arrangement to be frictionless every where and pulley & string to be light, the value of the force F applied on A is :
physics-General
physics-
The acceleration of the block B in the above figure, assuming the surfaces and the pulleys 
and 
are all smooth.
The acceleration of the block B in the above figure, assuming the surfaces and the pulleys and are all smooth.
physics-General
physics-
At the instant t=0, a force F=kt ( k is a constant) acts on a small body of mass m resting on a smooth horizontal plane. The time, when body leaves the surface is :
At the instant t=0, a force F=kt ( k is a constant) acts on a small body of mass m resting on a smooth horizontal plane. The time, when body leaves the surface is :
physics-General
physics-
A uniform rod of length L and density 
is being pulled along a smooth floor with a horizontal acceleration 
(sec figure). The magnitude of stress ( 
) at the transverse cross-section through the midpoint of the rod is
A uniform rod of length L and density is being pulled along a smooth floor with a horizontal acceleration (sec figure). The magnitude of stress ( ) at the transverse cross-section through the midpoint of the rod is
physics-General
physics-
A chain of mass ' m ' is attached at two points A and B of two fixed walls as shown in the figure. The tension in the chain at A is
A chain of mass ' m ' is attached at two points A and B of two fixed walls as shown in the figure. The tension in the chain at A is
physics-General
physics-
A smooth ring of mass 
is in equilibrium. Assuming ideal condition, the tension in the string is equal to :
A smooth ring of mass is in equilibrium. Assuming ideal condition, the tension in the string is equal to :
physics-General
physics-
Two smooth particles of masses and connected by a light inextensible string experience forces 
and 
as shown in the figure. The condition for which the tension in the string appears is:
Two smooth particles of masses and connected by a light inextensible string experience forces and as shown in the figure. The condition for which the tension in the string appears is:
physics-General
physics-
A rod of length 
is moving such that its ends A and B move in contact with the horizontal floor and vertical wall respectively as shown in figure. O is the intersection point of the vertical wall and horizontal floor. The velocity vector of the centre of rod C is always directed along tangent drawn at C to the -
A rod of length is moving such that its ends A and B move in contact with the horizontal floor and vertical wall respectively as shown in figure. O is the intersection point of the vertical wall and horizontal floor. The velocity vector of the centre of rod C is always directed along tangent drawn at C to the -
physics-General
physics-
What is the relation between velocities of blocks A and B in the given figure.
What is the relation between velocities of blocks A and B in the given figure.
physics-General
