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प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Friction helps us to grip the objects in our hand.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?
A charged glass rod attracts a charged plastic straw.
What is the cause of friction?
Give three examples to illustrate that friction is a necessary evil.
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.
State if the following statement is true or false. Correct the statement if it is false.
If two forces acting in opposite directions on a body arc of equal magnitude, then the body will not move.
A moving body comes to rest due to friction alone.
Explain how friction can be minimized.

In the following figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
Complete the analogy.
Knot in a thread : ______ friction :: Ball bearing : ______ friction.
