EASY
8th CBSE
IMPORTANT
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Give two examples from everyday life, which show that air exerts pressure.
 

Important Questions on Force and Pressure

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 44
What is a rubber sucker? How does it work? State any one use of a rubber sucker.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 45
Why do mountaineers usually suffer from nose-bleeding at high altitudes?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 46
Describe one activity to show the existence of atmospheric pressure.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 47

Explain why water comes out more slowly from an upstairs tap than from a similar tap downstairs. 

Question Image

Water from upstairs tap

Question Image

Water from downstairs tap                                                                                                           

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 48
What is meant by gravitational force (or force of gravity)? Give its one example.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 49
Calculate the pressure when a force of 200 N is exerted on an area of 10 m2.
 
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 49
Calculate the pressure when a force of 200 N is exerted on an area of 5 m2
 
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Short Answer Type Questions>Q 50
Which force do the animals apply while moving, chewing and doing other activities