Q42 of 124 Page 56

The inertia of an object tends to cause an object:

A. To increase its speed


B. To decrease its speed


C. To resist a change in its state of motion


D. To decelerate due to friction

Since, Inertia is the resistance of any physical object to any change in its state of motion; this includes changes to its speed, direction, or state of rest.

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40

Why are road accidents at high speeds very much worse than road accidents at low speeds?

 41

When a toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of:

A. Balanced forces


B. Centripetal forces


C. Unbalanced forces


D. Centrifugal forces

 43

When we talk of force acting on a body, it usually means:

A. Electrical force


B. Balanced force


C. Unbalanced force


D. Nuclear force

 44

A passenger in a moving train tosses a coin which falls behind him. This shows that the motion of train is:

A. Accelerated B. Uniform


C. Retarded D. along circular track