Inertia and Mass

IMPORTANT

Inertia and Mass: Overview

This Topic covers sub-topics such as Inertia, SI Unit of Mass, Law of Inertia, Inertia of Motion, Inertia of Rest, Inertia of Direction and, Difference between Inertia and Mass

Important Questions on Inertia and Mass

MEDIUM
IMPORTANT

How many types of inertia do the material bodies have?

HARD
IMPORTANT

If we are travelling in a bus and the driver takes a sharp turn to the left we tend to move to the right. Explain how we return back to our original position?

EASY
IMPORTANT

Which of the following is not an SI unit?

EASY
IMPORTANT

Why is the SI unit of mass kilogram not gram?

EASY
IMPORTANT

Give examples of law of inertia.

MEDIUM
IMPORTANT

Name the three types of inertia and explain briefly with examples.

EASY
IMPORTANT

You fall in forward direction when a bus brakes to stop and backward direction when it accelerates forward.

EASY
IMPORTANT

Describe an activity to demonstrate inertia of rest.

EASY
IMPORTANT

Give reason why the luggage kept on roof of cars is tied with a rope.

EASY
IMPORTANT

State Newton's first law of motion.

EASY
IMPORTANT

On what property does inertia depend?

EASY
IMPORTANT

A child sets a 5 rupee coin on a stiff card covering an empty glass tumbler. He gives the card a sharp horizontal flick with his finger. The card shoots away. What happens to the coin and why?

EASY
IMPORTANT

A passenger in a bus slips sidewards as the bus turns sharply. Why?

EASY
IMPORTANT

It is dangerous to jump out of a moving bus. Why?

EASY
IMPORTANT

Why do water droplets sprinkle out when a wet cloth is shaken/jerked?

EASY
IMPORTANT

A jerk is given to a piece of paper under a book. The book doesn't move. Why?

MEDIUM
IMPORTANT

What is inertia?

EASY
IMPORTANT

Three solid blocks of same size are made of steel, wood and plastic respectively. Which of these has the highest inertia and why?

EASY
IMPORTANT

There are three solids made up of aluminium, wood and plastic, of the same shape and same volume. Which of them would have the highest inertia?

EASY
IMPORTANT

Two balls of same size but different materials, rubber and iron are kept on smooth floor of a moving train. The breaks are applied to suddenly stop the train. Which ball rolls faster and why?