Grade 9 Physics

Name the instrument used to measure mass?

• Metre Rule

• Electronic Balance

• Stopwatch

• Thermometer

Which of the following is a vector quantity?

• Mass

• Speed

• Force

• Time

Answer explanation

A vector quantity has both magnitude and direction.

Sarah covers a distance of 1.2 km in 45 mins. Calculate her average speed in m/s?

• 0..03

• 0.2

• 0.44

• 26

What is the volume of the solid?

• 20

• 60

• 80

• 140

Answer explanation

Volume of solid = Final volume - Initial Volume

Which of the following is a non-renewable source of energy?

• Fossil Fuels

• Bagasse

• Hydro-Power

• Sunlight

The electrical shown in the diagram represents the ............................ .

• Ammeter

• Voltage

• Voltmeter

• Battery

Which of the following formulae is used to calculate the work done by a force?

The diagram shows the speed-time graph of a body moving along a straight line.

What does the gradient of the line represent?

• Acceleration

• Distance

• Speed

• Time

The diagram shown an electric circuit.

What is the current in the circuit?

• 2 A

• 3 A

• 4 A

• 5 A

Answer explanation

Calculate the gravitational potential energy gained by a body of mass 2 kg raised to a height of 6 m above the ground level.

[Given that g = 10 N/kg]

• 100 J

• 120 J

• 200 J

• 240 J