Question

which of the following has the greatest inertia?
A.bike
B.Bus
C.truck
D.train

Answer 1

Answer:

train

Explanation:

Inertia is the resistance of any physical object to any change in its velocity. This includes changes to the object's speed, or direction of motion. An aspect of this property is the tendency of objects to keep moving in a straight line at a constant speed, when no forces act upon them.

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Answer 2

C. Train has the greatest inertia.

Explanation:

• Newton's first law states that "any object at rest will remain at rest and any object in motion will stay in motion unless an external force is applied to it". This is also called law of inertia.
• Inertia is the property of a body to resist any change in its state.
• It depends on the mass of the body.
• When mass is large, the tendency to resist change in its state becomes more and so more force will be required for any state change.
• Train will have greatest inertia because its mass is greater than bike, bus or truck.