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प्रश्न
In the following figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
पर्याय
from right to left (←)
from left to right (→)
vertically downwards (↓)
vertically upwards (↑)
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उत्तर
from left to right (→)
Explanation:
The force of friction will be from left to right (→) because the friction force always acts in opposite direction to the motion.
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संबंधित प्रश्न
Friction opposes the ______ between the surfaces in contact with each other.
What is the cause of friction?
Name the three kinds of friction.
Define sliding friction
Answer the following in short.
Define force. Write its SI unit.
Fill in the blank.
More the roughness of a surface, greater is the ........................
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Tick the most appropriate answer.
Force of friction comes into play when a/an
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
Fill in the blank.
Friction depends upon the ............... of an object.
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.
Answer the following in a word or two or in a sentence.
Name a method used to reduce friction.
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.
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
Answer the following in detail.
Define friction and explain how it is useful to us.
Answer the following in detail.
Describe three different ways by which friction can be increased to help us in various situations?
A moving body comes to rest due to friction alone.
How do you feel when you touch a nail immediately after it is hammered into a wooden plank? Why?
Is there any possibility of making a special device to measure the magnitude of friction directly?
