Civil Engineering - Applied Mechanics - Discussion

Discussion Forum : Applied Mechanics - Section 2 (Q.No. 24)
24.
The following is not a law of static friction :
The force of friction always acts in a direction opposite to that in which the body tends to move
The force of friction is dependent upon the area of contact
The force of friction depends upon the roughness of the surface
The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 1 of 2.

Inayat Ullah Kakar said:   9 months ago
Option B is the right answer.
(2)

Abdul Qadir said:   3 years ago
B is the correct answer because the force of friction is independent of the area of contact.
(2)

Zubair said:   5 years ago
Force of friction always acts opposite to the applied force.

B is the right answer.

Practically friction depends upon the area but in static friction, we assume frictiin as independent of area and shape of the body.
(2)

Hardik said:   6 years ago
A is the correct option because it is a law of kinetic friction.

Or maybe dynamic. But not a static.
(1)

Nami said:   6 years ago
B is the correct answer. I too agree.

Navnath Harale said:   7 years ago
B should be correct answer, because force friction depends on contact surface not contact area.

Zahir said:   8 years ago
B is the correct answer.

Sagar bhongade said:   8 years ago
It is Independent on its area.

Pavan said:   8 years ago
Yeah, B is the correct answer.

Gajan Rana said:   9 years ago
B should be the correct answer.


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