It is more difficult to walk on ice than on a concrete road because
A. There is very little friction between the ice and feet pressing it
B. Ice is soft when compared to concrete
C. There is more friction between the ice and feer
D. None of these
Answer: Option A
Solution(By Examveda Team)
Main thing is that we find more friction on roads than on ice. As, we can call the friction as grip on roads. We can hear the word by tyre companies as the road grip tyres. Here the grip of the tyre is more than that of any normal tyre.This Question Belongs to General Knowledge >> Physics
Which of the following terms is not used in the field of physics?
A. Latent heat
B. Nuclear fusion
C. Refractive index
D. Stock value
Radiocarbon is produced in the atmosphere as a result of
A. Collision between fast neutrons and nitrogen nuclei present in the atmosphere.
B. Action of ultraviolet light from the sun on atmospheric oxygen.
C. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere.
D. Lightning discharge in atmosphere.
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
A. Work done in rolling is more than in lifting.
B. Work done in lifting the stone is equal to rolling it.
C. Work done in both is same but the rate of doing work is less in rolling.
D. Work done in rolling a stone is less than in lifting it.
The absorption of ink by blotting paper involves:
A. Viscosity of ink
B. Capillary action phenomenon
C. Diffusion of ink through the blotting
D. Siphon action
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