static friction comes into play when an object is rolling.( true or false)
Added by Stacey L.
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Static friction is the force that prevents two surfaces from sliding against each other when they are at rest. Now, when an object is rolling, it is not at rest. It is in motion. Show more…
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(bonus question -- points will be added manually later) True/False? It is possible for the force of static friction to perform nonzero on an object. False True
Madhur L.
Say true or false. Sliding friction is a little more than static friction between two surfaces.
Sri K.
True or false: static friction is always greater than kinetic friction. Select one: a. False, because the strength of static friction depends on the strength of the other forces on the object b. True, because we always have μ_s>μ_k c. False, because whether we have μ_s>μ_k depends on the nature of the two materials in contact with each other d. True, because it is easier to pull an object once it starts moving
Shahab U.
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