Equilibrium of Bodies

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Equilibrium of Particle

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Concurrent Forces

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Important Questions

A body of mass kg is acted upon by two perpendicular forces N and N. Given the magnitude and direction of the acceleration of the body.

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The angular speed of a motor wheel is increased from 1200 rpm to 3120 rpm in 16sec.? find.
(i) Angular acceleration
(ii) Assuming acceleration to be uniform how many rotations does the engine make this bike?
(iii) State law of conservation of linear momentum?

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A car weighs 1800 kg. The distance between its front and back axles is 1.8 m. Its centre of gravity is 1.05 m behind the front axle. Determine the force exerted by the level ground on each front wheel and each back wheel.

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A T-shaped object with dimensions shown in the figure is lying on a smooth floor. A force is applied at the point P parallel to AB, such that the object has only the translational motion without rotation. Find the location of P with respect to C.

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A long ladder weighing leans on a frictionless wall. Its feet rest on the floor from the wall as shown in Fig. Find the reaction forces of the wall and the floor.

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A motorcar is moving with a velocity of and it takes to stop after the brakes are applied. Calculate the force exerted by the brakes on the motorcar if its mass along with the passengers is

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A body of mass tied to one end of string is revolved in a horizontal circle of radius with a speed of , assuming the effect of gravity is negligible, then linear velocity, acceleration and tension in the string be :

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If an object is in equilibrium, which of the following statements is not true?

This question has multiple correct options
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A mass of is suspended by a rope of length , from the ceiling. A force F is applied horizontally at the mid-point of the rope such that the top half of the rope makes an angle of with the vertical. Then F equals: (Take and the rope to be massless)

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Two uniform rods of equal length but different masses are rigidly joined to form an L-shaped body, which is then pivoted about O as shown in the figure. If the system is in equilibrium in the shown configuration. Then the ratio M/m will be:

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