SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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For Hooke’s Law, F = kx, where:
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F = force, k = a constant, x = speed
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F = force, k = a constant, x = extension
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F = force, k = the spring constant constant, x = speed
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F = friction, k = spring value, x = speed
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Explanation:
Detailed explanation-1: -W = kx. W is the weight of the added mass. Therefore, the spring constant k is the slope of the straight line W versus x plot. Weight is mass times the acceleration of gravity or W = mg where g is about 980 cm/sec2.
Detailed explanation-2: -Where F is the force, x is the length of extension/compression and k is a constant of proportionality known as the spring constant which is usually given in N/mstart text, N, slash, m, end text.
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