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Engineering Mechanics

Engineering Mechanics
A screw jack used for lifting the loads is

An ideal machine
A reversible machine
A non-reversible machine
None of these

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Engineering Mechanics
If the body falls freely under gravity, then the gravitational acceleration is taken as

-8.9 m/s2
-9.8 m/s2
+9.8 m/s2
+8.9 m/s2

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Engineering Mechanics
Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ā€˜v’ is made to strike the second ball. Both the balls after impact will move with a velocity

v/2
v/4
v/8
v

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Engineering Mechanics
A smooth cylinder lying on its convex surface remains in __________ equilibrium.

Neutral
Unstable
None of these
Stable

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Engineering Mechanics
The unit of moment of inertia of an area is

kg-m-s2
m4
kg-m2
kg/m2

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Engineering Mechanics
Moment of inertia is the

Second moment of force
Second moment of mass
Second moment of area
All of these

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MORE MCQ ON Engineering Mechanics

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