CBSE Class 8 Science Friction: Necessary Evil?
Sample Q&A
- What are the four factors on which friction depends ?
- Why we fall on a banana peel?
- The force needed to start a cart is (somewhat) greater than the force neede to keep it moving with a uniform speed.
- How does friction helps in writing
- Why do you rub your hands together on chilled mornings?
- Brakes on cars will work best if the friction between the brake shoes and wheels is reduced. True or false
- Explain that friction is a friend or foe with best examples.Please answer this quickly as this is very urgent.
- Explain why sportsmen use shoes with spikes.
- How can we say that friction is an evil?
- List any 2 advantages of friction.
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