Physics-
General
Easy
Question
A force 
acts on block shown. The force of friction acting on the block is :
The correct answer is:
Related Questions to study
physics-
Two blocks A and B each of same mass are attached by a thin inextensible string through an ideal pulley. Initially block B is held in position as shown in fig. Now the block B is released. Block A will slide to right and hit the pulley in time tA. Block B will swing and hit the surface in time tB. Assume the surface as frictionless. [Hint: Tension T in the string acting on both blocks is same in magnitude. Acceleration needed for horizontal motion is from T]
Two blocks A and B each of same mass are attached by a thin inextensible string through an ideal pulley. Initially block B is held in position as shown in fig. Now the block B is released. Block A will slide to right and hit the pulley in time tA. Block B will swing and hit the surface in time tB. Assume the surface as frictionless. [Hint: Tension T in the string acting on both blocks is same in magnitude. Acceleration needed for horizontal motion is from T]
physics-General
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Two blocks are connected by a spring. The combination is suspended, at rest, from a string attatched to the ceiling, as shown in the figure. The string breaks suddenly. Immediately after the string breaks, what is the initial downward acceleration of the upper block of mass 2m?
Two blocks are connected by a spring. The combination is suspended, at rest, from a string attatched to the ceiling, as shown in the figure. The string breaks suddenly. Immediately after the string breaks, what is the initial downward acceleration of the upper block of mass 2m?
physics-General
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A particle of mass m is constrained to move on x-axis. A force F acts on the particle. F always points toward the position labeled E. For example, when the particle is to the left of E, F points to the right. The magnitude of F is a constant F except at point E where it is zero. The system is horizontal. F is the net force acting on the particle. The particle is displaced a distance A towards left from the equilibrium position E and released from rest at t = 0. Find minimum time it will take to reach from 
A particle of mass m is constrained to move on x-axis. A force F acts on the particle. F always points toward the position labeled E. For example, when the particle is to the left of E, F points to the right. The magnitude of F is a constant F except at point E where it is zero. The system is horizontal. F is the net force acting on the particle. The particle is displaced a distance A towards left from the equilibrium position E and released from rest at t = 0. Find minimum time it will take to reach from
physics-General
physics-
A particle of mass m is constrained to move on x-axis. A force F acts on the particle. F always points toward the position labeled E. For example, when the particle is to the left of E, F points to the right. The magnitude of F is a constant F except at point E where it is zero. The system is horizontal. F is the net force acting on the particle. The particle is displaced a distance A towards left from the equilibrium position E and released from rest at t = 0. Velocity – time graph of the particle is
A particle of mass m is constrained to move on x-axis. A force F acts on the particle. F always points toward the position labeled E. For example, when the particle is to the left of E, F points to the right. The magnitude of F is a constant F except at point E where it is zero. The system is horizontal. F is the net force acting on the particle. The particle is displaced a distance A towards left from the equilibrium position E and released from rest at t = 0. Velocity – time graph of the particle is
physics-General
physics-
A particle of mass m is constrained to move on x-axis. A force F acts on the particle. F always points toward the position labeled E. For example, when the particle is to the left of E, F points to the right. The magnitude of F is a constant F except at point E where it is zero. The system is horizontal. F is the net force acting on the particle. The particle is displaced a distance A towards left from the equilibrium position E and released from rest at t = 0. What is the period of the motion?
A particle of mass m is constrained to move on x-axis. A force F acts on the particle. F always points toward the position labeled E. For example, when the particle is to the left of E, F points to the right. The magnitude of F is a constant F except at point E where it is zero. The system is horizontal. F is the net force acting on the particle. The particle is displaced a distance A towards left from the equilibrium position E and released from rest at t = 0. What is the period of the motion?
physics-General
physics-
A weight can be hung in any of the following four ways by string of same type. In which case is the string most likely to break?
A weight can be hung in any of the following four ways by string of same type. In which case is the string most likely to break?
physics-General
physics-
Two identical mass m are connected to a massless string which is hung over two frictionless pulleys as shown in figure. If everything is at rest, what is the tension in the cord?
Two identical mass m are connected to a massless string which is hung over two frictionless pulleys as shown in figure. If everything is at rest, what is the tension in the cord?
physics-General
physics-
A stunt man jumps his car over a crater as shown (neglect air resistance)
A stunt man jumps his car over a crater as shown (neglect air resistance)
physics-General
physics-
In the figure shown the velocity of different blocks is shown. The velocity of C is
In the figure shown the velocity of different blocks is shown. The velocity of C is
physics-General
physics-
In the figure shown the block B moves down with a velocity 10 m/s. The velocity of A in the position shown is :
In the figure shown the block B moves down with a velocity 10 m/s. The velocity of A in the position shown is :
physics-General
physics-
A ball connected with string is released at an angle 45° with the vertical as shown in figure. Then the acceleration of the box at this instant will be: [Mass of the box is equal to mass of ball]
A ball connected with string is released at an angle 45° with the vertical as shown in figure. Then the acceleration of the box at this instant will be: [Mass of the box is equal to mass of ball]
physics-General
physics-
Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibrium, then
Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibrium, then
physics-General
physics-
A block of mass M on a horizontal smooth surface is pulled by a load of mass M/2 by means of a rope AB and string BC as shown in the figure. The length & mass of the rope AB are L and M/2 respectively. As the block is pulled from AB = L to AB = 0 its acceleration changes from
A block of mass M on a horizontal smooth surface is pulled by a load of mass M/2 by means of a rope AB and string BC as shown in the figure. The length & mass of the rope AB are L and M/2 respectively. As the block is pulled from AB = L to AB = 0 its acceleration changes from
physics-General
physics-
Block of 1 kg is initially in equilibrium and is hanging by two identical springs A and B as shown in figures. If spring A is cut from lower point at t=0 then, find acceleration of block in 
at t = 0
Block of 1 kg is initially in equilibrium and is hanging by two identical springs A and B as shown in figures. If spring A is cut from lower point at t=0 then, find acceleration of block in at t = 0
physics-General
physics-
Find the acceleration of 3 kg mass when acceleration of 2 kg mass is 
as shown in figure
Find the acceleration of 3 kg mass when acceleration of 2 kg mass is as shown in figure
physics-General
