Forces

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

• Air resistance
• Gravity
• Water resistance
• Pressure

Which of these is NOT a force?

• Friction
• Air resistance
• Water resistance
• Electrical resistance

What is the name of the units that we measure force in?

• Einsteins 
• Newtons
• Kg
• Metres

In which direction does gravity act?

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

Which is the correct definition of a 'force'?

• An influence, which cannot be measured, that causes something to move, stop moving or change direction.
• An influence, which can be measured, that causes something to move, stop moving or change direction.
• Something which has power.
• An influence, which can be measured, that causes something to move.

What force does a parachute use to slow things down before hitting the ground?

• Friction
• Air resistance
• Water resistance
• Wind

What type of force is air resistance?

• Contact
• Non-contact

When two objects rub together, what force do they produce

• Gravity
• Air resistance
• Friction
• Water resistance

What force does an aeroplane have to try to overcome so it is not slowed down too much?

• Gravity
• Air resistance
• Water resistance
• Friction

Which of these uses friction?

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