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8th CBSE
IMPORTANT
Earn 100

What are the advantages and disadvantages of friction?

Important Questions on Force and Friction

MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 10 - Force and Friction>Exercises>Q A
Wear and tear in machine parts can save fuel and energy.
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8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 10 - Force and Friction>Exercises>Q D
Explain why ball bearings are used and how they are helpful.
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8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 10 - Force and Friction>Exercises>Q D
What do you mean by ‘streamlined shape’? How does it help in the motion of vehicles?
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8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 10 - Force and Friction>LET'S RECALL
Recall and complete the concept map given below.
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8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 10 - Force and Friction>LET'S APPLY
When a heavy piece of furniture is to be pulled across a room, it becomes easier to do so if we put a large piece of cloth (like a bed sheet) underneath it and pull the cloth, rather than just pull the furniture. Explain why?
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 10 - Force and Friction>LET'S APPLY
Whether you run, walk, standstill sit, or lie down, there is a force acting on your body all the time. Name that force?
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 10 - Force and Friction>LET'S DISCUSS
Is friction a ‘friend’ or ‘Foe’? Discuss.
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8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 10 - Force and Friction>LET'S OBSERVE
Write which one helps in reducing friction and which one helps in increasing friction from the below figure.
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