Mechanical Engineering - Engineering Mechanics

11.
A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act
towards the wall at its upper and
away from the wall at its upper end
downward at its upper end
upward at its upper end
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
The length of a second's pendulum is
94.9cm
99.4cm
100cm
101cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
The slope on the road surface generally provided on the curves is known as
angle of friction
angle of repose
angle of banking
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
Coplaner non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.
meet
do not meet
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
The moment of inertia of a rectangular section 3cm wide and 4cm deep about X-X axis is
9cm4
12cm4
16cm4
20cm4
Answer: Option
Explanation:
No answer description is available. Let's discuss.