General Knowledge :: Physics
- Friction can be reduced by changing from
- It is more difficult to walk on ice than on a concrete road because
- A ball rolling along the ground gradually slows down and finally comes to rest is due to ________
- Frictional force acts in
- The force which makes a vehicle to stop when break is applied is called
- Vehicle tyres are inflated properly
- Friction is caused by the ________ on the two surfaces in contact.
- Ball bearings are used in cycles, scooters etc to
- The force of friction between two surfaces will increase if:
- Rolling friction is caused by ________
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