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प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Like charges always attract each other.
विकल्प
True
False
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उत्तर
False.
Like charges always repel each other.
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
A charged glass rod attracts a charged plastic straw.
State two factors which directly affect the force of friction.
The eraser gets smaller and smaller as you use it more and more. Explain the reason.
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
Tick the most appropriate answer.
Friction produces
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
A moving body comes to rest due to friction alone.
Is there any possibility of making a special device to measure the magnitude of friction directly?
Assertion: Friction always opposes the motion.
Reason: Whenever one surface moves or tries to move over another surface, the force of friction starts acting on the surfaces.
