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A solid cylinder rolls down a rough inclined plane without slipping. As it goes down, the force of friction acting on the cylinder: a.is initially static but becomes kinetic after some time b.decreases its mechanical energy c.increases its mechanical energy d.doesn’t change its mechanical energy

A solid cylinder rolls down a rough inclined plane without slipping. As it goes down, the force of friction acting on the cylinder:
a.is initially static but becomes kinetic after some time
b.decreases its mechanical energy
c.increases its mechanical energy
d.doesn’t change its mechanical energy

Grade:11

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