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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is

2mr²/3
mr²/3
2mr²/5
3mr²/5

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Engineering Mechanics
A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

None of these
Reversible
Ideal
Non-reversible

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Engineering Mechanics
The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.)

2π/ω
ω/2π
π/ω
2π × ω

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Engineering Mechanics
A pendulum which executes one beat per second is known as

Compound pendulum
Second's pendulum
Simple pendulum
Torsional pendulum

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Engineering Mechanics
The matter contained in a body, is called

Impulsive force
Mass
Weight
Momentum

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Engineering Mechanics
The velocity ratio for the third system of pulleys is

2n - 1
2n
n
n²

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MORE MCQ ON Engineering Mechanics

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