Question: An irregular body may have more than one centre of gravity.
[A].Yes
No
[A].
[B].
Answer: Option B
Explanation:
No answer description available for this question.
Mechanical Engineering
A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body.
Question: A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body.
[A].True
False
[A].
[B].
Answer: Option A
Explanation:
No answer description available for this question.
A couple produces
Question: A couple produces
[A].translatory motion
rotational motion
combined translatory and rotational motion
none of the above
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A smooth cylinder lying on a __________ is in neutral equilibrium.
Question: A smooth cylinder lying on a __________ is in neutral equilibrium.
[A].curved surface
convex surface
horizontal surface
[A].
[B].
[C].
Answer: Option C
Explanation:
No answer description available for this question.
A smooth cylinder lying on its convex surface remains in __________ equilibrium.
Question: A smooth cylinder lying on its convex surface remains in __________ equilibrium.
[A].stable
unstable
neutral
[A].
[B].
[C].
Answer: Option B
Explanation:
No answer description available for this question.
One kg force is equal to
Question: One kg force is equal to
[A].7.8 N
8.9 N
9.8 N
12 N
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
If a body is acted upon by a number of coplaner non-concurrent forces, it may
Question: If a body is acted upon by a number of coplaner non-concurrent forces, it may
[A].rotate about itself without moving
move in any one direction rotating about itself
be completely at rest
all of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
For any system of coplaner forces, the condition of equilibrium is that the
Question: For any system of coplaner forces, the condition of equilibrium is that the
[A].algebraic sum of the horizontal components of all the forces should be zero
algebraic sum of the vertical components of all the forces should be zero
algebraic sum of moments of all the forces about any point should be zero
all of the above
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
According to the law of moments, if a number of coplaner forces acting on a particle are in equilibrium, then
Question: According to the law of moments, if a number of coplaner forces acting on a particle are in equilibrium, then
[A].their algebraic sum is zero
their lines of action are at equal distances
the algebraic sum of their moments about any point in their plane is zero
the algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
If a number of coplaner forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.
Question: If a number of coplaner forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.
[A].equal to
less than
greater than
[A].
[B].
[C].
Answer: Option A
Explanation:
No answer description available for this question.