Which of the following is not a vector quantity __________________?

Question: Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is
[A].

bh3/4

[B].

bh3/8

[C].

bh3/ 12

[D].

bh3/ 36

Answer: Option C

Explanation:

No answer description available for this question.

Question: If the masses of both the bodies, as shown in the below figure, are doubled, then the acceleration in the string will be
[A].

same

[B].

half

[C].

double

Answer: Option A

Explanation:

No answer description available for this question.

Question: If a body is acted upon by a number of coplaner non-concurrent forces, it may
[A].

rotate about itself without moving

[B].

move in any one direction rotating about itself

[C].

be completely at rest

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: If the efficiency of a lifting machine is kept constant, its velocity ratio is __________ propotional to its mechanical advantage.
[A].

directly

[B].

inversely

Answer: Option A

Explanation:

No answer description available for this question.