Gravity

IMPORTANT

Gravity: Overview

This topic covers concepts, such as, Weight of an Object, Comparison of Weights of an Object on the Earth and the Moon, Gravity of the Earth & Experiment for Independancy of 'g' on Masses etc.

Important Questions on Gravity

EASY
IMPORTANT

When you stand on scales you see your mass in kg. Explain whether it is your mass or your weight that makes the scales work.

EASY
IMPORTANT

The acceleration due to gravity does not depend upon the _____ of the body.(mass/weight)

MEDIUM
IMPORTANT

The weight of the car is 14,400 N, and its mass is X Kg. What is the value of X? (Assume g=9.8 N kg-1).

EASY
IMPORTANT

The weight of the car is 14,400 N. What is its mass? (Assume g=9.8 N kg-1).

EASY
IMPORTANT

At the start of motion, an object under free fall will have : 

MEDIUM
IMPORTANT

Imagine you were cycling to the top of the hill. Did you need to apply more force? Was the force applied the same when you were cycling down? Why?

EASY
IMPORTANT

The SI unit of weight is :

EASY
IMPORTANT

A body is said to be in free fall, when only the _____ force acts on it.

EASY
IMPORTANT

The motion of an object where gravity is the only force acting upon it is known as 

EASY
IMPORTANT

The quantity of matter contained in a body is called its _____ 

EASY
IMPORTANT

Two objects of different masses falling freely near the surface of moon would 

EASY
IMPORTANT

Examples for scalar quantity(s) are

EASY
IMPORTANT

Examples for vector quantity is

EASY
IMPORTANT

Choose the statements which are correctly related to weight.

EASY
IMPORTANT

Choose the Statements which are related to Mass.

EASY
IMPORTANT

Archimedes' Principle is used in

EASY
IMPORTANT

Mass of an object remains the same in all the planets.

EASY
IMPORTANT

The resistance to motion  of a body offered by it is termed as-

EASY
IMPORTANT

Name the quantity which can also be calculated by the ratio of weight of the object to gravitational acceleration.
(Choose from the following: Force / Mass)

EASY
IMPORTANT

A ripe fruit falls from a tree due to Earth's gravity.