337. One joule means that
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338. The moment of inertia of a sphere of mass m and radius r, about an axis tangential to it, is
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339. The velocity ratio for the first system of pulleys is(where n is the number of pulleys.)
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340. The ideal angle of banking provided on the curves on roads depends upon
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341. The moment of inertia of a thin disc of mass m and radius r, about an axis through its centre of gravity and perpendicular to the plane of the disc is
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342. The linear velocity of a body rotating at ω rad / s along a circular path of radius r is given by
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343. The forces which do not meet at one point and their lines of action do not lie on the same plane are known as
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