Q. Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.

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Q. According to the law of moments, if a number of coplaner forces acting on a particle are in equilibrium, then

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Q. If u1 and u2 are the velocities of two moving bodies in the same direction before impact and v1 and v2 are their velocities after impact, then coefficient of restitution is given by

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Q. The centre of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.

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Q. The process of finding out the resultant force is called __________ of forces.

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Q. A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

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Q. The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.

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Q. The centre of gravity of an is osceles triangle with base (p) and sides (q) from its base is

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Q. A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m / s² in the direction of which it acts.

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Q. The acceleration of a particle moving with simple harmonic motion, at any instant is given by

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Q. The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

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Q. The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

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Q. A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

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Q. If three forces acting at a point are represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are in equilibrium.

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Q. Newton's second law motion __________ a relation between force and mass of a moving body.

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Q. The periodic time of one oscillation for a simple pendulum is(where l = Length of the pendulum.)

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Q. The resultant of two forces P and Q acting at an angle θ is

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Q. Which of the following are vector quantities?

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Q. The maximum acceleration of a particle moving with simple harmonic motion is

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Q. A lift moves downwards with an acceleration of 9.8 m/s². The pressure exerted by a man on the floor of the lift is zero.

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