Question # 1

The forces that are parallel to each other and have the same direction are called:

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Like parallel forces

Unlike parallel forces

Resultant forces

Net forces

Rate of change of momentum equals:

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Displacement

Acceleration

^Force

Velocity

The number of perpendicular components of a force are

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1

2

3

4

Degree of hotness or coldness a body is called:

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Heat

Internal Energy

Temperature

Potential energy

At sea level , Atmosphere pressure is:

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101,300 Pa

101,400 Pa

101,500 Pa

101, 600 Pa

Which types of friction is minimum?

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Sliding

Limiting

Rolling

None

Tensile strain produces the change in the object.

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Length

Volume

Area

Density

Glass and transparent polythene sheets allow radiations of wavelength to pass through them:

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Long

Medium

Short

All

When a body is lifted through a height the work done on its appears in the form of its:

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Kinetic energy

Potential energy

Elastic potential energy

Geothermal energy

Sin 45^ois

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0.707

0.5

1

0.2

Centripetal force always acts _________ to the motion:

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Opposite

Parallel

Perpendicular

Upward

If the mass of moving body in a circle is doubled then centripetal force wil be:

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Doubled

Half

4 times

Same

The single force that has the same effect as the combined effect of all the force to be added is called a

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Opposite force

Single force

Resultant force

Resultant vector

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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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