General Principles in the Working of Levers, Balloon NDA Questions

NDA Physics

General Principles in the Working of Levers, Balloon MCQ Questions


1.
In a first-class lever, the fulcrum is
A.
Between the effort and the load
B.
At the end of the lever
C.
On the load side
D.
On the effort side
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ANSWER :
A. Between the effort and the load
2.
A seesaw is an example of a
A.
First-class lever
B.
Second-class lever
C.
Third-class lever
D.
Fixed pulley
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ANSWER :
A. First-class lever
3.
In a second-class lever, the load is
A.
Between the fulcrum and the effort
B.
At the end of the lever
C.
On the effort side
D.
Opposite the fulcrum
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ANSWER :
A. Between the fulcrum and the effort
4.
The mechanical advantage of a lever is
A.
The ratio of effort arm to load arm
B.
The ratio of load arm to effort arm
C.
The difference between effort and load arms
D.
The product of effort and load arms
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ANSWER :
A. The ratio of effort arm to load arm
5.
A lever amplifies
A.
Distance
B.
Force
C.
Speed
D.
Work
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ANSWER :
B. Force
6.
The mechanical advantage of a lever depends on
A.
The distance between the fulcrum and the load
B.
The distance between the fulcrum and the effort
C.
Both a and b
D.
The weight of the lever
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ANSWER :
C. Both a and b