EASY
9th CBSE
IMPORTANT
Earn 100

Name the force:

The upward push of water on a submerged object.

Important Questions on Gravitation

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Short Answer Type Questions>Q 49

Name the force:

The force which wears away two surfaces as they move over one another.

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Short Answer Type Questions>Q 49

Name the force:

The force which pulled the apple of Isaac Newton's tree.

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Short Answer Type Questions>Q 49

Name the force:

The force which stops you falling through the floor.

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Short Answer Type Questions>Q 50
A pressure of 10 Pa acts on an area 3.0 m2. What is the force acting on the area? What force will be exerted by the application of the same pressure if the area is made one-third?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Short Answer Type Questions>Q 51
A girl is wearing a pair of flat shoes. She weights 550 N. The area of contact of one shoe with the ground is 160 cm2. What pressure will be exerted by the girl on the ground if she stands on two feet?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Short Answer Type Questions>Q 51
A girl is wearing a pair of shoes. She weight 550 N. The area of contact of one shoe with the ground is 160 cm2. What pressure will be exerted by the girl on the ground if she stands on one foot?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Short Answer Type Questions>Q 52
Calculate the density of an object of volume 3 m3 and mass 9 kg. State whether this object will float or sink in water. Give reason for your answer. 
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Short Answer Type Questions>Q 53
An object weighs 500 grams in air. This object is then fully immersed in water. State whether it will weigh less in water or more in water. Give reason for your answer.