Physics-
General
Easy
Question
A smooth rod of length l is kept inside a trolley at an angle 
as shown in the figure. What should be the acceleration a of the trolley so that the rod remains in equilibrium with respect to it?
- g tan
- g cos
- g sin
- g cot
The correct answer is: g sin
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AB and CD are two identical rods each of length L and mass M joined to form a cross. Find the M.I. of the system about a bisector of the angle between the rods (XY)
AB and CD are two identical rods each of length L and mass M joined to form a cross. Find the M.I. of the system about a bisector of the angle between the rods (XY)
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A uniform rod of mass m is bent into the form of a semicircle of radius R. The moment of inertia of the rod about an axis passing through A and perpendicular to the plane of the paper is
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Two blocks A & B are connected by a spring of stiffness 512 N/m and placed on a smooth horizontal surface. Initially the spring has its equilibrium length. The indicated velocities are imparted to A & B. The maximum extension of the spring will be
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A bead can slide on a smooth straight wire and a particle of mass m attached to the bead by a light string of length L. The particle is held in contact with the wire and with the string taut and is then let fall. If the bead has mass 2m then when the string makes an angle q with the wire, the bead will have slipped a distance
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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
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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
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
physics-General
