MEDIUM
8th CBSE
IMPORTANT
Earn 100

What is force? What are the four main effects of force?

Important Questions on Force and Pressure

MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q D
What is the difference between contact and non-contact forces? Explain with the help of one example of each.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q D
What is friction? Explain with an example.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q D
Why are caterpillar tracks used in battle tanks instead of tyres?
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q D
How does the pressure exerted by a liquid change with depth? Explain with a diagram.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q D
When you press a rubber sucker on a smooth surface, it sticks to the surface. Explain why this happens?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q E
Two forces act on an object. Explain what the net force acting on the object will be in different situations.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q E
Explain the effects that a force acting on an object can have on the object.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q E
Describe an experiment to show that air exerts pressure in all directions.