It is difficult to walk on polished floor because friction between our feet and floor is
A) Increased
B) Reduced
C) Same
D) None of these
1 Answers
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In case of coefficient of static friction (µs), kinetic friction (µk) and rolling friction (µr), which of the following relation is true
Correct option is: (A) µs > µk > µr
2 Answers 1 views
The friction exerted by moving body is called A) static friction
B) sliding friction
2 Answers 1 views
The friction exerted by fluid is called A) static friction
C) rolling friction
2 Answers 1 views
Choose suitable option for matching. Group-A 1. Static friction 2. Sliding friction
B) 1 – b, 2 – d, 3 – e, 4 – a, 5 – c
2 Answers 1 views
From the above data match the following. a) static friction b) rolling friction
A) A-b, B-c, C-a
2 Answers 2 views
It is difficulty to walk on slippery surfaces, because there exists
A) less friction
2 Answers 1 views
“To reduce the friction we use solid, liquid and Gaseous state lubricants”. Which lubricant is used in Electric motor to reduce friction ?
Correct option is D) Grease
2 Answers 1 views
Uma: Friction depends on the nature of the surface. Usha: Friction is independent of area of contact,
C) Both Uma and Usha are correct
2 Answers 1 views
stop you are eating all our bread shouted the two rats i am doing my best but I have told you that its difficult said the monkey give us that little Piece said the rats this is My piece havent i laboured a lot for you replied the Monkey how foolish we are believing you said the two rats
“Stop! You are eating all our bread,” shouted the two rats. “I am doing my best. but I have told you that it’s difficult,” said the monkey. “Give us that...
2 Answers 7 views
Yesterday we were at our office. Scarcely had we finished our duty, ___ [ Yesterday we were at our office. Scarcely had we finished our duty, when the tremor occurre
Yesterday we were at our office. Scarcely had we finished our duty, when the tremor occurre
2 Answers 1 views