Science - Forces

Which one of these is not a force?

• Gravity

• Friction

• Pushing

• Heat

What force keeps us on this planet?

• Friction

• Gravity

• Oxygen

• Water

What does fiction cause as well as slowing something down?

• Heat

• Liquid

• Noise

• Speeding up

Applied force is the same as …

• Pushing and pulling

• Spring force

• Buoyancy

• Air resistance

Which forces always slow things down?

• Friction

• Air resistance

• Gravity

• Spring power

There is most friction when….

• A rough surface rubs against a smooth surface

• A smooth surface rubs against a smooth surface

• A rough surface rubs against a rough surface

• A rough surface rubs against a rough surface with oil on

A ————————— measure force

• Scale

• Newton meter

• Microscope

• Parachute

Air resistance is effected by the surface area of an object, true or false

• True

• False

What force makes parachutes work so well?

• Gravity

• Friction

• Air resistance

• Buoyancy

What does streamlined mean?.

• Aerodynamic and allows particles to flow past the object.

• It works well whilst in water.

• A big bulky object