The weight of a body is due to
Answer: D
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Coulomb friction is the friction between
Answer: A
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The velocity of a body on reaching the ground from a height h, is
Answer: C
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Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to
Answer: B
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Forces are called coplanar when all of them acting on body lie in
Answer: B
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Coefficient of friction is the
Answer: B
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A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal
Answer: A
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Which of the following is the example of lever of first order?
Answer: D
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The maximum acceleration of a particle moving with simple harmonic motion is
Answer: C
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If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
Answer: D
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