Question # 1

Force is a:

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Scalar quantity

Base quantity

Derived quantity

None of these

For a fixed force, larger is the mass of a body the

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greater is its acceleration

smaller is its acceleration

smaller is its weight

zero is its acceleration

The product of force and time is called

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acceleration

linear momentum

angular momentum

impulse

When two protons are brought closer potential energy of both of them:

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Increases

Decreases

Remains same

None of these

The artillery shells travel along parabolic paths under the influence of

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magnetic field

electric field

electromagnetic field

gravitational field

One KWh is equal to:

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3.6 x 10²J

3.6 KJ

3.6 x 10¹KJ

3.6 MJ

A body moving with uniform velocity has

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positive acceleration

negative acceleration

infinite acceleration

zero acceleration

The shortest distance between two points directed from its initial point to final point is called:

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Velocity

Displacement

Speed

Distance

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

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First

Second

Third

None of these

Tick the conservative force:

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tension in a string

Air resistance

Elastic spring force

Frictional force

If a ball comes back to its starting point after bouncing off the wall several times, then its

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total displacement is zero

average velocity is zero

none of them

both of them

If d is the displacement of the body in time t, then its average velocity will be

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V_av= d x t

V_{av = t/d}

V_{av = d/t}

Acceleration of a body is negative if the velocity of the body is

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constant

increasing

decreasing

none of them

Bodies failing freely under gravity provide good example of motion under

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non-uniform acceleration

uniform acceleration

variable acceleration

increasing acceleration

The direction of velocity is along the direction of

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distance

displacement

acceleration

all of them

Swimming becomes possible because of______law of motion:

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First

Second

Third

None of these

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ECAT Physics Chapter 3 Motion and Force Online Test MCQs With Answers

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