Physics Form 4 - Chapter 2 Quiz

Which of the following quantities is a vector?

• Speed

• Distance

• Displacement

• Time

What is the SI unit of force?

• Pascal

• Newton

• Joule

• Watt

Which formula represents Newton's Second Law of Motion?

• F = ma

• F = mv

• F = d/t

• F = ½ mv²

Which physical quantity is defined as the rate of change of velocity?

• Speed

• Force

• Displacement

• Acceleration

What causes an object to accelerate?

• Balanced forces

• Gravity

• Unbalanced force

• Constant speed

What is the acceleration of an object moving at constant velocity?

• 0 m/s²

• 1 m/s²

• 9.8 m/s²

• 10 m/s²

Inertia is the tendency of an object to:

• Increase speed

• Change shape

• Resist changes in motion

• Gain mass

Which law explains why passengers jerk forward in a car when it suddenly stops?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Law of Gravity

An object has a mass of 2 kg and an acceleration of 4 m/s². What is the force?

• 2 N

• 4 N

• 6 N

• 8 N

Which situation shows Newton's Third Law?

• A ball rolling

• A book on a table

• A rocket launching

• A car braking