EXAMIANS
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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The horizontal range of a projectile (R) is given by
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The time of flight (t) of a projectile on a horizontal plane is given by
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When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.
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The total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called
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Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.)
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Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is
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The forces, which meet at one point, but their lines of action do not lie in a plane, are called
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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 matter contained in a body, is called
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