EXAMIANS
The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)
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The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.
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If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion,
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The principle of transmissibility of forces states that, when a force acts upon a body, its effect is
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If a body is acted upon by a number of coplanar non-concurrent forces, it may
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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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If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.
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The unit of force in S.I. system of units is
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The impact between two lead spheres is approximately equal to an __________ impact.
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A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction.
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