Question

Q 1. List the odd one out
a) inertia of rest
b) inertia of motion
c) inertia of direction
d) inertia of kinetic energy​

Answer 1

Answer:

inertia of rest

Explanation:

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Answer 2

Explanation:

Inertia of rest - An object stays where it is placed, and it will stay there until you or something else moves it. (i.e. Dust particles stay at rest until you shake a carpet.) Inertia of motion - An object will continue at the same speed until a force acts on it. (i.e. Body going forward when a car stops.)

Newton's first law of motion states that a body at rest remains at rest, or, if in motion, remains in motion at a constant velocity unless acted on by a net external force. This is also known as the law of inertia. Inertia is the tendency of an object to remain at rest or remain in motion.

Inertia of direction - An object will stay moving in the same direction unless a force acts on it. (i.e. One's body movement to the side when a car makes a sharp turn.)

We see from this equation that the kinetic energy of a rotating rigid body is directly proportional to the moment of inertia and the square of the angular velocity. This is exploited in flywheel energy-storage devices, which are designed to store large amounts of rotational kinetic energy.