Mechanical Engineering - Engineering Mechanics - Discussion
Discussion Forum : Engineering Mechanics - Section 1 (Q.No. 21)
21.
The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.
Discussion:
25 comments Page 1 of 3.
Purnendra said:
1 decade ago
Because both forces will be perfectly opposite to each other if angle is same (vertical component will zero. Total force act in a single direction. ).
Dileepkumar said:
1 decade ago
If force is acting on a body to move the body, then definitely friction will occur is opposite direction, in the same plane. So the angles are identically equal.
Antarjyami said:
1 decade ago
In this case the friction force is negligible.
Saikumar said:
1 decade ago
Angle of inclination = Angle of friction (only when angle of inclination is less angle of static friction).
Bharath kumar said:
9 years ago
Guys just think logically. Just assume that if you have to pull a weight on a plane.
Which is easier? On an inclined plane or a horizontal one.
Definitely, the answer is on a horizontal plane.
So, the angle should be less than the angle of friction.
Which is easier? On an inclined plane or a horizontal one.
Definitely, the answer is on a horizontal plane.
So, the angle should be less than the angle of friction.
Dileep toleti said:
9 years ago
Yes, I agree @Bharat Kumar.
It will be easy and required a min force that can be applied to the body, if and only if the angle is less. It tends to move when the angle is equal to the frictional angle.
It will be easy and required a min force that can be applied to the body, if and only if the angle is less. It tends to move when the angle is equal to the frictional angle.
Shafik said:
9 years ago
@Bharath Kumar is right. So the answer is option B.
AJAY GUPTA said:
9 years ago
As per R.S. Kurmi book, the answer is option C.
Ajay gupta said:
9 years ago
I think option A is right answer.
Gopal Dey said:
9 years ago
The correct answer is option A.
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