G08 - SCI Q1 Reviewer

A ball is thrown in space where there is no air resistance. It keeps moving in a straight line at constant speed. Which law explains this?

• Third Law

• Second Law

• First Law

• None of the above

Which law would explain why heavier objects require more force to accelerate than lighter ones?

• First Law

• Third Law

• Second Law

• None of the above

A rocket engine's thrust is an example of which law?

• First Law

• Second Law

• Third Law

• None of the above

What is required to change the state of motion of an object according to Newton's First Law?

• A change in mass

• An increase in speed

• An external force

• A decrease in weight

Which of the following scenarios best demonstrates Newton's Second Law?

• A stationary object

• A car moving at a constant speed

• An object speeding up when pushed

• A book lying on a table

Newton's First Law is also known as:

• The Law of Gravity

• The Law of Acceleration

• The Law of Inertia

• The Law of Action and Reaction

What happens when two ice skaters push off each other?

• They stay in place

• They fall down

• They move in the same direction

• They move in opposite directions

A bird flaps its wings downwards. The air:

• Pushes the bird upwards

• Does nothing

• Pushes the bird downwards

• Pulls the bird upwards

What does Newton's Third Law of Motion state?

• An object at rest will stay at rest.

• For every action, there is an equal and opposite reaction.

• A body in motion stays in motion.

• Force equals mass times acceleration.

When an archer releases an arrow, the bow string exerts a force on the arrow. The arrow:

• Exerts no force on the bow string

• Exerts an equal force on the bow string

• Exerts a smaller force on the bow string

• Exerts a greater force on the bow string