Equilibrium of Concurrent Forces NEET Questions

Physics - Laws of Motion

Equilibrium of Concurrent Forces MCQ Questions


1.
The condition for equilibrium of concurrent forces is that their:
A.
Algebraic sum is zero
B.
Vector sum is zero
C.
Scalar sum is zero
D.
Resultant is maximum
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ANSWER :
B. Vector sum is zero
2.
If three forces acting at a point are in equilibrium, they must be:
A.
Equal in magnitude
B.
Coplanar and concurrent
C.
Perpendicular to each other
D.
Parallel to each other
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ANSWER :
B. Coplanar and concurrent
3.
The equilibrant of a set of forces is:
A.
Equal and opposite to the resultant force
B.
Equal to the resultant force
C.
Half of the resultant force
D.
Twice the resultant force
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ANSWER :
A. Equal and opposite to the resultant force
4.
When a body is in equilibrium under the action of three concurrent forces, they must be represented by:
A.
A right-angled triangle
B.
A parallelogram
C.
A closed triangle
D.
A straight line
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ANSWER :
C. A closed triangle
5.
The principle of equilibrium is based on:
A.
Newton’s First Law
B.
Newton’s Second Law
C.
Newton’s Third Law
D.
Law of Conservation of Momentum
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ANSWER :
A. Newton’s First Law
6.
The minimum number of forces required to keep a body in equilibrium is:
A.
One
B.
Two
C.
Three
D.
Four
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ANSWER :
C. Three