Exercise: Engineering Mechanics

Questions for: Engineering Mechanics

A circular hole of 50 mm diameter is cut out from a circular disc of 100 mm diameter as shown in the below figure. The centre of gravity of the section will lie
A:
in the shaded area
B:
in the hole
C:
at O
D:
Answer: A
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When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.
A:
inward
B:
outward
C:
D:
Answer: A
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Two equal and opposite parallel forces whose lines of action are different form a couple.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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Vectors method for the resultant force is also called polygon law of forces.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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The centre of gravity of a right angled triangle lies at its geometrical centre.
A:
Correct
B:
Incorrect
C:
D:
Answer: B
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