Which type of friction prevents an object from moving? a. kinetic friction b. static friction c. rolling friction d. fluid friction

Static friction.

Explanation:

The answer is static friction.

It is a kind of friction that prevents an object from moving or you can say it is a force that keeps and object at rest.

On the other hand kinetic friction is that when an object is moving with an velocity and the surface is opposing its motion.

Rolling friction oppose motion of an rolling object.

Fluid friction is produced by fluid to oppose motion of other objects in that fluid medium.

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

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