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प्रश्न
Answer the following in a word or two or in a sentence.
Name the force responsible for opposing the motion between two bodies in contact.
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उत्तर
Frictional force (friction)
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संबंधित प्रश्न
Explain why sportsmen use shoes with spikes.
What is the cause of friction?
State two factors which directly affect the force of friction.
A body needs a force F1 just to start moving on a surface, a force F2 to continue its motion and a force F3 to roll on the surface. What is
- the static friction
- sliding friction and
- rolling friction? State whether F2 is equal, less than or greater than (1) F1 and (2) F3.
Answer the following in short.
What do you understand by normal force?
Tick the most appropriate answer.
Friction is offered by
Tick the most appropriate answer.
Friction for an object can be reduced by
Fill in the blank
Rolling friction is ............. than sliding friction.
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
In the following figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
