O-Level Physics MCQs

Mass is a measure of:

• Weight

• Force

• Amount of matter in an object

• Gravitational pull

Which of the following units is used to measure weight?

• Kilogram

• Newton

• Gram

• Joule

The relationship between mass and weight is given by:

• W=mg

• W=m/g

• W=g/m

• W=m^2g

The weight of an object on the Moon compared to the Earth is:

• Higher

• Lower

• The same

• Depends on the object

An object with a mass of 10 kg has a weight of approximately:

• 10N

• 98N

• 100N

• 9.8N

The formula for density is:

• Mass × Volume

• Mass/Volume

• Volume/Mass

• Mass + Volume

Which of these materials has the highest density?

• Water

• Air

• Iron

• Wood

An object floats in water if:

• Its density is equal to water

• Its density is greater than water

• Its density is less than water

• Its density is unknown

A cube with a side length of 2 cm and a mass of 16 g has a density of:

• 4g/cm³

• 2g/cm³

• 8g/cm³

• 1g/cm³

The SI unit of density is:

• g/cm³

• kg/m³

• N/m³

• kg/cm³