Answer
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Hint:Inertia can be defined as the resistance applied by any physical object against the change in its physical state. It is the tendency of an object to remain in motion or remain stationary, when no force is acting on it. Quantitative measure is defined as the measure of data which is to be mentioned in the numerical form.
Complete answer:
First of all, let us understand the concept of inertia. According to Newton's law of motion, we can observe that a body moving with constant velocity keeps on moving with constant velocity and a stationary body remains stationary unless an external force is acted upon it.This property of a physical object to maintain its state when no force is acting is known as the inertia of the body.
Inertia can also be defined as the resistance of any physical object against the change in its state on application of external force.Hence, in simple words inertia can be said as the resistance to change in motion of the body. When no force is acting, the tendency of the body to maintain its state and to resist its state on application of force is known as inertia.
Now, inertia of a body depends on the type of the body. Let us consider a small rock and a big rock. Only a small amount of force is required to move the small rock, but more force will be required to move the bigger rock. Hence, we can see that the bigger rock has more resistance against the applied force. Hence, from this we can understand that inertia of a larger body will be more as compared to a smaller body.
Hence, we can say that the inertia of the body depends on the weight, and if we don’t consider gravitational acceleration, the inertia of a body depends on the mass of the body. Hence, inertia is the quantitative measure of the mass of the body.
Hence, the correct answer is option C.
Note:We need to understand that the inertia solely depends on the mass of the object. It does not depend on the volume or density of the object. If the density of an object is increased, its volume will decrease and vice-versa, but the mass will remain the same and thus will be the inertia. Let us understand by an example of a rock of some mass and a pile of paper of the same mass. If we want to move them, we will observe that both objects require the same force, even if the volume and density of both objects are different.Hence, inertia only depends on the mass.
Complete answer:
First of all, let us understand the concept of inertia. According to Newton's law of motion, we can observe that a body moving with constant velocity keeps on moving with constant velocity and a stationary body remains stationary unless an external force is acted upon it.This property of a physical object to maintain its state when no force is acting is known as the inertia of the body.
Inertia can also be defined as the resistance of any physical object against the change in its state on application of external force.Hence, in simple words inertia can be said as the resistance to change in motion of the body. When no force is acting, the tendency of the body to maintain its state and to resist its state on application of force is known as inertia.
Now, inertia of a body depends on the type of the body. Let us consider a small rock and a big rock. Only a small amount of force is required to move the small rock, but more force will be required to move the bigger rock. Hence, we can see that the bigger rock has more resistance against the applied force. Hence, from this we can understand that inertia of a larger body will be more as compared to a smaller body.
Hence, we can say that the inertia of the body depends on the weight, and if we don’t consider gravitational acceleration, the inertia of a body depends on the mass of the body. Hence, inertia is the quantitative measure of the mass of the body.
Hence, the correct answer is option C.
Note:We need to understand that the inertia solely depends on the mass of the object. It does not depend on the volume or density of the object. If the density of an object is increased, its volume will decrease and vice-versa, but the mass will remain the same and thus will be the inertia. Let us understand by an example of a rock of some mass and a pile of paper of the same mass. If we want to move them, we will observe that both objects require the same force, even if the volume and density of both objects are different.Hence, inertia only depends on the mass.
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