Forces

What is an example of a non-contact forces?

• Gravitational force

• Water resistance

• Magnetic force

If a golf ball and a ping pong ball were to fall at the same time, which would hit the ground first?

• They would both hit the ground at the same time.

• The ping pong ball because it's lighter.

• The golf ball because it's heavier.

What would it feel like if two different sides of a magnet are brought together?

• Nothing

• They would repel each other

• They would attract and join together

What do we use to measure mass?

• grams

• kilometers

• Newtons

• litres

What do we use to measure weight in a force?

• grams

• kilometres

• Newtons

• litres

What is the hook at the top of a Newton meter used for?

• To read the measurement of Newtons

• To hold the Newton meter

• To connect the force or object you are measuring to the Newton meter

If the forces pushing and pulling an object are the same strength then they are...

• Unbalanced

• Balanced

• Contact forces

• Non-contact forces

Friction causes

• Air resistance

• Heat

• Upthrust

• Water

Which of these is a contact force?

• Magnetic force

• Gravitational force

• Water resistance

Upthrust is also known as

• Gravity

• Air resistance

• Buoyancy

• Pushing it up