Grade 10 Physical Sciences Baseline Test

1. Which of the following is the correct unit of force?

• A) Newton (N)
  

• B) Joule (J)

• C) Watt (W)
  
  

• D) Kilogram (kg)

1. An object of mass 5 kg is subjected to a force of 20 N. What is the acceleration of the object?

• A) 1 m/s²

• B) 2 m/s²

• 
  C) 4 m/s²
  

• 
  D) 5 m/s²

1. Which of the following statements is true about an object moving at a constant velocity?

•  A) The net force acting on the object is zero.

• 
  B) The object must be at rest.
  

• C) The acceleration is zero, but there may be forces acting on the object.

• D) The object is moving at a constant speed in a straight line.

1. A car accelerates from 10 m/s to 30 m/s in 5 seconds. What is the car’s acceleration?

• A) 2 m/s²

• B) 4 m/s²

• C) 5 m/s²

• D) 6 m/s²

1. Which of the following is an example of an object experiencing free fall?

• A) A stone dropped from a height.
  
  

• B) A plane flying at constant altitude.

• C) A car moving at a constant speed.

• D) A person climbing a ladder.

The law of conservation of energy states that energy can neither be:

• A) Created nor destroyed, only transferred or converted.

• B) Increased nor decreased.

• C) Converted into heat.

• D) Stored for later use.

What type of energy is stored in a stretched spring?

• A) Kinetic energy

• B) Potential energy

• C) Thermal energy

• D) Chemical energy

6. What is the work done by a force of 10 N that moves an object 5 meters in the direction of the force?

• A) 15 J

• B) 20 J

• C) 30 J

• D) 50 J

Which of the following best describes the frequency of a wave?

• A) The distance between two consecutive crests.

• B) The time taken for one complete wave to pass a point.
  

• C) The number of complete waves that pass a point in one second.

• D) The height of the crest of the wave.

9. In which of the following is the speed of light fastest?

• A) In a vacuum

• B) In air
  

• C) In water

• D) In glass