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प्रश्न
Rolling friction is slightly greater than sliding friction.
विकल्प
True
False
उत्तर
Rolling friction is slightly greater than the sliding friction- False.
Correct statement:
Rolling friction is slightly lesser than sliding friction.
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संबंधित प्रश्न
Select the correct alternative.
Friction is reduced by
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 detail.
What are the various effects of force? State one example of each.
Fill in the blank.
Weight remaining the same, friction is independent of ............. of surface in contact.
Tick the most appropriate answer.
A car skids on a wet or muddy road due to
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
State if the following statement is true or false. Correct the statement if it is false.
Friction is offered by all the three states of matter.
Answer the following in short.
When you push something heavy, the resistance you feel decreases as soon as the object starts moving. Explain the reason.
How do you feel when you touch a nail immediately after it is hammered into a wooden plank? Why?
