APPLIED MECHANICS AND GRAPHIC STATICS QUIZ

A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is<br/>(i) 5000 Nm<br/>(ii) 5000 kg.m<br/>(iii) 5000 J

All (i), (ii) and (iii)

Both (i) and (iii)

Both (ii) and (iii)

Only (ii)

TRUE ANSWER : ?
YOUR ANSWER : ?

In case of S.H.M. the period of oscillation (T), is given by

T = π/2ω

T = 2/ω

T = 2π/ω

T = 2ω/π²

TRUE ANSWER : ?
YOUR ANSWER : ?

To attain the synchronous orbit, the launch of a satellite, is done from a place

On 30° latitude

On the poles

On equator

On 45° latitude

TRUE ANSWER : ?
YOUR ANSWER : ?

If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to

A√2

A/2

A

A/√2

TRUE ANSWER : ?
YOUR ANSWER : ?

For a given velocity of a projectile, the range is maximum when the angle of projection is

0°

30°

90°

45°

TRUE ANSWER : ?
YOUR ANSWER : ?

The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then,

P = Q

P = R

None of these

Q = R

TRUE ANSWER : ?
YOUR ANSWER : ?

Power can be expressed as

Work/time

Work × time

Work/energy

Work/distance

TRUE ANSWER : ?
YOUR ANSWER : ?

The following is in unstable equilibrium

A solid cube resting on one edge

A satellite encircling the earth

A uniform solid cone resting on its base on a horizontal plane

A uniform solid cone resting on a generator on a smooth horizontal plane

TRUE ANSWER : ?
YOUR ANSWER : ?

According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on

A triangle

Two straight lines

A straight line

A point

TRUE ANSWER : ?
YOUR ANSWER : ?

Joule is the unit of

Momentum

Power

Impulse

Work

TRUE ANSWER : ?
YOUR ANSWER : ?

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