A force is ...

• a push.

• a pull.

• a push or a pull.

Gravity is a __________ force that makes unsupported objects fall towards Earth.

• contact

• non-contact

In 1589, which Italian Scientist discovered that objects of the same shape and mass fall to the ground at the same time?

• Aristotle

• Galileo

• Newton

• Einstein

In 1667, which British Scientist gave us the word 'gravity' whilst apparently sitting under an apple tree?

• Aristotle

• Galileo

• Newton

• Einstein

What are these?

• pulleys

• levers

• gears

• bolts

What is this?

• a gear

• a pulley

• a harness

• a rope

When an object is moving, which direction does air resistance act in?

• opposite to the movement

• the same as the movement

• all directions

• only upwards

When you run, air resistance...

• speeds you up

• slows you down

• does not affect your speed

In which direction does water act on a moving object?

• the same as the movement

• downwards

• all directions

• opposite to the movement

air resistance and water resistance are both examples of...

• pulls

• pushes

• friction forces

• twists