Forces 2

What is the force that causes objects to fall to Earth?

• Air resistance
• Gravity
• Water resistance
• Pressure

In which direction does gravity act?

• Downwards
• Upwards
• In all directions
• Towards the centre of the Earth

When two objects rub together, what force do they produce

• Gravity
• Air resistance
• Friction
• Water resistance

Which of these uses friction?

• A parachute
• A ball falling through the sky
• Brakes on a bike
• A wind turbine

What type of force is shown in the picture?

• The Cat force
• Star Wars Force
• Unbalanced force
• Balanced  force

What is a Force?

• The distance
• Mass
• A push or pull
• Give me a  failing grade 

An _______ force must act on an object for it to CHANGE it's motion

• balanced
• unbalanced
• gravitational
• electrical

If the net force is equal to zero, the forces acting on the object are

• balanced

• unbalanced

A softball is tossed outside a window. Which force will act on the ball's motion as the ball flies and then hits the ground?

• gravity

• friction

• magnetism

Use the picture as reference. If the force of the girl pushing is 20N, and the boy who is also pushing is 15N, what is the net force?

• 5N

• 300N

• 35N

• 1.33N