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Engineering Mechanics

Engineering Mechanics
The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is

125 mm
75 mm
87.5 mm
50 mm

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Engineering Mechanics
The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)

P = mW - C
P = m/W + C
P = C - mW
P = mW + C

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Engineering Mechanics
Which of the following are vector quantities?

All of these
Linear displacement
Linear velocity
Linear acceleration

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Engineering Mechanics
The law of motion involved in the recoil of gun is

Newton's first law of motion
None of these
Newton's second law of motion
Newton's third law of motion

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Engineering Mechanics
The velocity of a body on reaching the ground from a height h, is

2.√(gh)
√(gh)
√(2gh)
2g.√h

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Engineering Mechanics
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

30°
60°
90°
120°

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MORE MCQ ON Engineering Mechanics

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