Question

Identify the type of friction and define the same:

(a). When an object has started moving the irregularities do not

get enough time to interlock.

(b). When the force applied on a stationary object the object

does not move and remains stationary.​

Answer 1

Answer:

a. Sliding Friction

This type of friction arises when two objects in contact are in motion. It is lesser than Static friction. This friction is lesser because the irregularities of both surfaces do not get enough time to get locked with each other as the objects are already in motion.

b. Static friction prevents sliding

Static friction is the force holding an object in place on an incline, such as the cheese in Figure 1. The friction force points against the direction that the object would slide without friction. Static friction keeps gravity from pulling the cheese down the incline

Explanation:

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Answer 2

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Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.