Final Test Revision S2

The diagram below shows a seesaw. The girl and her father will sitting on each side of the seesaw.

What is the moment exerted by the girl.

• 200 Nm

• 400 Nm

• 600 Nm

• 800 Nm

Load A, B and C are added onto the lever shown below.

What is the moment exerted by A?

• 10 Nm

• 20 Nm

• 30 Nm

• 40 Nm

Which part of the scissors represents the Pivot of a lever?

• A-1

• B-2

• C-3

• D-4

The diagram below shows the direction of moments of forces A to D.

Which moments indicate the clockwise direction?

• A and D

• B and C

• A and B

• C and D

A stell ball has a radius of 80 cm.

What is the volume of the steel ball. Express your answer in m3 . Take 𝜋 = 3.14. Round your answer to the nearest two decimal places.

• 2.56 m³

• 2.43 m³

• 2.14 m³

• 2.75 m³

A metal bar has a density of 2.70 g/cm³ . The volume of the metal bar is 1000cm³ .

What is the mass of the metal bar?

• 2400 g

• 2400 g

• 2600 g

• 2700 g

Liquid X has a density of 2.85 kg/m³ .

The tank below is filled to the brim with liquid X.

What is the volume of liquid X in the tank?

• 0.1 m³

• 0.2 m³

• 0.3 m³

• 0.4 m³

A pupil wants to determine the density of a solid. The mass of the solid is 6.41 g. He fills a measuring cylinder with water and lowers the solid in the water.

What is the volume of the solid?

• 9 cm³

• 10 cm³

• 11 cm³

• 12 cm³

An unknown liquid is poured into the measuring cylinder.

What is the density of the liquid?

• .792 g/cm³

• .684 g/cm³

• .598 g/cm³

• .384 g/cm³

An object is dropped into three beakers of liquids.

Which statements below shows the correct order of the liquid in order of increasing density?

• Y,W,X

• W,X,Y

• X,W,Y

• X,Y,W