Equilibrium of Concurrent Forces NEET Questions

Physics - Laws of Motion

Equilibrium of Concurrent Forces MCQ Questions


7.
If two forces acting at a point are in equilibrium, they must be:
A.
Equal and opposite
B.
Perpendicular
C.
Parallel
D.
Unequal
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ANSWER :
A. Equal and opposite
8.
The Lami’s theorem is applicable to:
A.
Only coplanar forces
B.
Only non-concurrent forces
C.
A system of three concurrent and coplanar forces in equilibrium
D.
Only non-equilibrium forces
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ANSWER :
C. A system of three concurrent and coplanar forces in equilibrium
9.
A force acting on a body is in equilibrium when:
A.
The net force is maximum
B.
The net force is zero
C.
The body is accelerating
D.
The forces are perpendicular
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ANSWER :
B. The net force is zero
10.
The equilibrant of a set of forces is:
A.
A force that keeps the system moving
B.
The resultant of the system
C.
A force equal and opposite to the resultant
D.
The sum of all forces
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ANSWER :
C. A force equal and opposite to the resultant
11.
The triangle law of forces states that if three forces are in equilibrium, they can be represented by:
A.
A parallelogram
B.
A straight line
C.
A closed triangle
D.
A rectangle
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ANSWER :
C. A closed triangle
12.
The center of gravity of a body is:
A.
A fixed point
B.
The point of application of weight
C.
The geometric center
D.
The centroid of the forces acting
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ANSWER :
B. The point of application of weight