Question

Two objects of mass 20kg and 15 kg which one have less inertia and why? ​

Answer 1

Answer:

the body having mass 20 kg has more inertia

Explanation:

because greater the mass larger the inertia

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Answer 2

The object with 15 kg mass would have less inertia than the object with 20 kg mass because the inertia of a body is directly proportional to its mass.

Explanation:

→ According to the law of inertia, if a body is at rest or moving with a constant speed along a straight line path, then it will remain at rest or keep moving with a constant speed along a straight line path until an external force is applied.

→  The inertia of a body is the tendency of the body to resist a change in its condition of rest or uniform motion. The inertia of a body is the property that opposes any change in its motion.

→ The inertia and mass of a body depend upon each other. We can say that the mass of a body is the measure of its inertia. The amount of inertia that a body possesses is directly proportional to the mass of the body. So larger the mass of the body, the larger would be the inertia, and vice versa.

Hence the object with 15 kg mass would have less inertia than the object with 20 kg mass because the inertia of a body is directly proportional to its mass.

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