Physics-
General
Easy
Question
In the figure shown, friction is absent. The system moves with constant speed. Then ' 
, is equal to
The correct answer is:
Related Questions to study
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The blocks A and B shown in the figure have masses 
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The blocks A and B shown in the figure have masses and . The system is released from rest. The speed of B after A has travelled a distance 1 m along the incline is
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A wedge of mass M is moved with constant acceleration a. A block of mass m attached with the wedge by a light spring moves with an acceleration a'. Just after the wedge is stopped, neglecting friction between the contacting surfaces, the acceleration of the block is
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All surfaces shown in figure are smooth. System is released with the spring unstretched. In equilibrium, compression in the spring will be :
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Three identical blocks are suspended on two identical springs one below the other as shown in figure. If thread is cut that supports block 1 , then initially (choose one alternative only):
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In the given fig, pulley is frictionless and massless. Both the springs are having same force constant 10 N/m. Initially with the string attached to the grounds, the total system is at rest. Now if the string is cut, then immediately after cutting the string,
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Two blocks are connected by a spring. The combination is suspended, at rest, from a string attached 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 2 m ?
Two blocks are connected by a spring. The combination is suspended, at rest, from a string attached 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 2 m ?
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Two blocks A and B of masses m&2m respectively are held at rest such that the spring is in natural length. Find out the accelerations of both the blocks jus t after release.
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In the arrangements shown, the pulleys, strings and springs are weightless and the systems can move freely without friction. The extension of spring in figure 1 is 
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physics-General
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A particle of mass 
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In the given figure, the position time graph of a particle of mass 0.1 kg is shown. The impulse at t= 2sec is
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A unidirectional force F varying with time 
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physics-General
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In the system shown in Fig, 
, and 
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The acceleration of Block A in horizontal direction is
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block A in horizontal direction is
physics-General
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In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block B is
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block B is
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In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block C is
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block C is
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In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The tension in the string is
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The tension in the string is
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