Friction is independent of
A) Area of contact
B) Nature of the surface
C) Nature of the body
D) All of the above
1 Answers
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Limiting force of static friction does NOT depend on (A) actual area of contact.
(C) interlocking between surfaces in contact.
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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
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Friction is independent of A) Nature of surface
D) Area of contact
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The friction exerted by moving body is called A) static friction
B) sliding friction
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The friction exerted by fluid is called A) static friction
C) rolling friction
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Choose suitable option for matching. Group-A 1. Static friction 2. Sliding friction
B) 1 – b, 2 – d, 3 – e, 4 – a, 5 – c
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To prove that the frictional force is independent of the area of contact, the required materials and apparatus are
B) spring balance, brick, thread
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From the above data match the following. a) static friction b) rolling friction
A) A-b, B-c, C-a
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Which of the following is incorrect in the case of friction? A) Frictional force is dependent of the area of contact.
A) Frictional force is dependent of the area of contact.
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Uma: Friction depends on the nature of the surface. Usha: Friction is independent of area of contact,
C) Both Uma and Usha are correct
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