Question # 1

What is true formula.

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Densit = Mass x volume

Density = Mass/volume

Volume =Mass x volume

Density = volume/Mass

Water Pressure increases by ............ for every one metre down in a lake or in an ocean.

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8000 Pa

9000 Pa

10000 Pa

11000 Pa

The force acting normally unit area is.

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Strees

Strain

Motion

Pressure

When same amount of force is applied on differente areas, it exerts.

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Low pressure on small area

No Pressure on small area

High pressur eon small area

High pressur eon large area

A .......... force actingon a stationary object could make the object start moving.

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Balanced

Inclined

Unbalanced

Perpedicular

As we go up in the air.

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Atmospheric pressure increases

Atmospheric pressur edecreases

Atmospheric pressur edoes not change

Atmosphericpressur ebecomes zero at the height of 1 km

Two equal forces actat the same time on the same stationary object but in the opposite directions. Which statement describes the object's motion.

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The object changes direction

The objet accelerates

The object remains stationary

The object moves at a constant speed

1 kPa=

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1000 Pa

100 Pa

1056 Pa

800 Pa

A student pushes against a tree with a force of 10 newtons. The tree does not move. What is the amount of force exerted by the treen on the student.

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0

5 N

10 N

20 N

Pressure =

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Force /Area

Area/force

Area x Force

Area + force

Unit of Pressure is

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Joule

Newton

Nm2

Nm-2

The SI unit of pressur eis.

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Watt

Joule

Pascal

Newton

A force of 1800 N is acting on the surface area of 0.06 m2. The pressure exerted by he force will be.

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3 kPa

30 KPa

300 kPa

3000 kPa

What causes object to move.

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Velocity

Unbalnced forces

Balanced force

Friction

People on hills experience atomospheric pressure.

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More than that at the sea level

Less than that at the sea level

same as that at the sea level

Four times more than that at the se alevel

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