Applied Mechanics Questions

• The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be
• A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is
• In simple harmonic motion, acceleration of a particle is proportional to
• A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is
• A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is
• If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh's rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by n where n is
• The phenomenon of collision of two elastic bodies takes place because bodies
• Varigon's theorem of moments states
• A weight W is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is
• According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centres lie on
• Angular acceleration of a particle may be expressed as
• A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball B on the table. If the impact is perfectly plastic, the velocity of the ball B just after impact would be
• One half of a vibration of a body, is called
• A smooth cylinder lying on its convex surface remains
• A sphere is resting on two planes BA and BC which are inclined at 45° and 60° respectively with the horizontal. The reaction on the plane BA will be
• A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight
• In case of S.H.M. the period of oscillation(T), is given by
• On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts
• A satellite goes on moving along its orbit round the earth due to
• A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if