IGCSE U2 forces and motion only

The formula of the Second Law of Newton is:

• a) F = ma
• b) F = mv
• c) F = mgh
• d) F = mg

According to the Third Law of Newton, for every action, there is:

• a) An equal and opposite reaction
• b) A proportional reaction
• c) A reaction in the opposite direction
• d) No reaction

Terminal velocity is reached when:

• a) An object has no velocity
• b) An object's velocity becomes constant
• c) An object accelerates indefinitely
• d) An object falls freely

The limit of proportionality refers to the point beyond which:

• a) An object accelerates
• b) Elastic deformation occurs
• c) Plastic deformation occurs
• d) There is no deformation

The tail to tip method or parallelogram method is used to:

• a) Measure acceleration
• b) Determine the resultant of two vectors
• c) Calculate momentum
• d) Analyze circular motion

The formula for acceleration is:

• a) a = F/m
• b) a = mv
• c) a = v/t
• d) a = F/d

The formula for linear momentum is:

• a) p = mv
• b) p = F/m
• c) p = Fd
• d) p = ma

Conservation of momentum states that in a closed system, the total momentum:

• a) Increases over time
• b) Decreases over time
• c) Remains constant
• d) Becomes zero

The formula for angular momentum is:

• a) L = Iα
• b) L = mv
• c) L = Fd
• d) L = mgh

Conservation of angular momentum states that in a closed system with no external torque, the total angular momentum:

• a) Increases over time
• b) Decreases over time
• c) Remains constant
• d) Becomes zero