Q. A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

View solution

Q. Angular acceleration of a particle may be expressed as

View solution

Q. A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is

View solution

Q. A stone is whirled in a vertical circle, the tension in the string, is maximum

View solution

Q. Periodic time of body moving with simple harmonic motion, is

View solution

Q. On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

View solution

Q. The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

View solution

Q. The motion of a bicycle wheel is

View solution

Q. The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t² - 10 where S is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is

View solution

Q. Pick up the correct statement from the following. The kinetic energy of a body

View solution

Q. The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

View solution

Q. A geo-stationary satellite is one which orbits the earth with a velocity of rotation of

View solution

Q. The direction of projection should bisect the angle between the inclined plane and the vertical for a range of a projectile on inclined plane

View solution

Q. A particle moving with a simple harmonic motion, attains its maximum velocity when it passes

View solution

Q. The unit of impulse, is

View solution

Q. The practical units of work, is

View solution

Q. From a solid cylinder of height 8 cm and radius 4 cm, a right circular cone is scooped out on the same base and having the same height as that of the cylinder. The c.g. of the remainder is at a height of

View solution

Q. The unit of moments in M.K.S system, is

View solution

Q. The rotational velocity of a satellite is increased by 450 m per second if its launch is done from equator

View solution

Q. On a mass m describing a circular path of radius r, the centrifugal force

View solution