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Potential energy and position for a conservative force are plotted in graph shown. Then force position graph can be
The correct answer is:
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A body with mass 2 kg moves in one direction in the presence of a force which is described by the potential energy graph. If the body is released from rest at x = 2m, then its speed when it crosses x = 5 m is
A body with mass 2 kg moves in one direction in the presence of a force which is described by the potential energy graph. If the body is released from rest at x = 2m, then its speed when it crosses x = 5 m is
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An potential energy curve U(x) is shown in the figure. What value must the mechanical energy Emec of the particle not exceed, if the particle is to be trapped within the region shown in graph?
An potential energy curve U(x) is shown in the figure. What value must the mechanical energy Emec of the particle not exceed, if the particle is to be trapped within the region shown in graph?
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Which of the following best illustrates the acceleration of a pendulum bob at points a through e?
Which of the following best illustrates the acceleration of a pendulum bob at points a through e?
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A spring that lies along X axis is attached to a wall at end and block at the other end. The block rests on a frictionless surface at X = 0 then an applied horizontal force F of constant magnitude begins to compress the spring, displacing the block by distance X, untill the block comes to maximum displacement Xmax. Which of the curves in figure best represent
The work done on the spring block system by the applied force
A spring that lies along X axis is attached to a wall at end and block at the other end. The block rests on a frictionless surface at X = 0 then an applied horizontal force F of constant magnitude begins to compress the spring, displacing the block by distance X, untill the block comes to maximum displacement Xmax. Which of the curves in figure best represent
The work done on the spring block system by the applied force
physics-General
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A spring that lies along X axis is attached to a wall at end and block at the other end. The block rests on a frictionless surface at X = 0 then an applied horizontal force F of constant magnitude begins to compress the spring, displacing the block by distance X, untill the block comes to maximum displacement Xmax. Which of the curves in figure best represent
The kinetic energy of the block
A spring that lies along X axis is attached to a wall at end and block at the other end. The block rests on a frictionless surface at X = 0 then an applied horizontal force F of constant magnitude begins to compress the spring, displacing the block by distance X, untill the block comes to maximum displacement Xmax. Which of the curves in figure best represent
The kinetic energy of the block
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A block of mass m is projected on a smooth horizontal circular track with velocity v. What is average normal force exerted by the circular walls on the block during its motion from A to B.
A block of mass m is projected on a smooth horizontal circular track with velocity v. What is average normal force exerted by the circular walls on the block during its motion from A to B.
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A particle of mass m is going along surface of smooth hemisphere of radius R. At the moment shown its speed is v Choose correct option.
A particle of mass m is going along surface of smooth hemisphere of radius R. At the moment shown its speed is v Choose correct option.
physics-General
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A particle is moved from (0, 0) to (a, a) under a force 
from two paths. Path 1 is OP and path 2 is OQP. Let 
and 
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A particle is moved from (0, 0) to (a, a) under a force from two paths. Path 1 is OP and path 2 is OQP. Let and be the work done by this force in these two paths. Then
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A block of mass 'm' is released from rest at point A. The compression in spring, when the speed of block is maximum
A block of mass 'm' is released from rest at point A. The compression in spring, when the speed of block is maximum
physics-General
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A block of mass m sliding down an incline at constant speed is initially at a height h above the ground, as shown in the figure above. The coefficient of kinetic friction between the mass and the incline is m. If the mass continues to slide down the incline at a constant speed, how much energy is dissipated by friction by the time the mass reaches the bottom of the incline?
A block of mass m sliding down an incline at constant speed is initially at a height h above the ground, as shown in the figure above. The coefficient of kinetic friction between the mass and the incline is m. If the mass continues to slide down the incline at a constant speed, how much energy is dissipated by friction by the time the mass reaches the bottom of the incline?
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A body of mass m released from a height h on a smooth inclined plane that is shown in the figure. The following can be true about the velocity of the block knowing that the wedge is fixed.
A body of mass m released from a height h on a smooth inclined plane that is shown in the figure. The following can be true about the velocity of the block knowing that the wedge is fixed.
physics-General
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Select the correct alternative(s).
Select the correct alternative(s).
physics-General
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For the two blocks initially at rest under constant ext. forces of mass1 kg and 2kg shown, a1 = 5 m/s2 → , a2 = 2 m/s2 
.Which of the following is correct?
For the two blocks initially at rest under constant ext. forces of mass1 kg and 2kg shown, a1 = 5 m/s2 → , a2 = 2 m/s2 .Which of the following is correct?
physics-General
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Two blocks are arranged as shown in the figure. The relation between acceleration a1 and a2 is :
Two blocks are arranged as shown in the figure. The relation between acceleration a1 and a2 is :
physics-General
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In figure shown on the right, the mass of the trolley is 100 kg, and it can move without friction on the horizontal floor. Its length is 12m. The mass of the girl is 50 kg. Friction exists between the shoes of the girl and the trolley’s upper surface, with 
= 1/3. The girl can run with a maximum speed = 9 m/s on the surface of the trolley, with respect to the surface. At t = 0 the girl starts running from rest to the right. The trolley was initially stationary.(g = 10 
)
At a certain moment when the girl was accelerating, the earth frame acceleration of the trolley is found to be 1 m/s2 At this moment, the friction force between the girl’s shoes and the trolley’s surface is
In figure shown on the right, the mass of the trolley is 100 kg, and it can move without friction on the horizontal floor. Its length is 12m. The mass of the girl is 50 kg. Friction exists between the shoes of the girl and the trolley’s upper surface, with = 1/3. The girl can run with a maximum speed = 9 m/s on the surface of the trolley, with respect to the surface. At t = 0 the girl starts running from rest to the right. The trolley was initially stationary.(g = 10 )
At a certain moment when the girl was accelerating, the earth frame acceleration of the trolley is found to be 1 m/s2 At this moment, the friction force between the girl’s shoes and the trolley’s surface is
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