Which of the following are contact forces ?
A. Friction B.Gravitational force C.Magnetic force D.Muscular force
(a). A and B (b).B and C (c).A and D (d). B and D

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Solution

(c).A and D

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Which of the following are contact forces ? A. Friction B.Gravitational force C.Magnetic force D.Muscular force (a). A and B (b).B and C (c).A and D (d). B and D

(c).A and D

Which of the following are contact forces ?
A. Friction B.Gravitational force C.Magnetic force D.Muscular force
(a). A and B (b).B and C (c).A and D (d). B and D