Define inertia, give its classification.

Explanation:

The inertia of a body is the tendency to resist any change in its state of motion or rest. There are three types of inertia, namely, the inertia of motion, inertia of rest, and inertia of direction.

The tendeny  of a body to continue its state either motion or rest is called inertia . First  law of newton also called law of inertia .

There are three types of inertia  

1. Motion inertia

2. Rest inertia

3. Directional inertia

Explanation:

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explanation:

total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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