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Engineering Mechanics

Engineering Mechanics
If the gravitational acceleration at any place is doubled, then the weight of a body will be

√2.g
2g
g/2
g

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Engineering Mechanics
If a number of forces are acting at a point, their resultant will be inclined at an angle 'θ' with the horizontal, such that

tanθ = √(ΣV + ΣH)
tanθ = ΣV/ΣH
tanθ = ΣV × ΣH
tanθ = ΣH/ΣV

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Engineering Mechanics
When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.

Towards back
Towards front
Inward
Outward

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Engineering Mechanics
Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is

40 N
20 N
120 N
None of the listed here

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Engineering Mechanics
In ideal machines, mechanical advantage is __________ velocity ratio.

Less than
Equal to
Greater than
None of these

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Engineering Mechanics
The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

100 N
500 N
20 N
None of these

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