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Engineering Mechanics

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

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

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Engineering Mechanics
The process of finding out the resultant force is called __________ of forces.

Decomposition
Resolution
Composition
None of these

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Engineering Mechanics
The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as

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

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Engineering Mechanics
The mechanical advantage of a lifting machine is the ratio of

Distance moved by effort to the distance moved by load
Output to the input
All of these
Load lifted to the effort applied

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Engineering Mechanics
The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is

3mr²/10
2mr²/5
3mr²/5
4mr²/5

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Engineering Mechanics
The motion of a wheel of a car is

Purely rotational
None of the listed here
Purely translation
Combined translation and rotational

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