Orbits

Orbits

Multiple Choice

What is gravity ?

• A force that tries to pull any two objects together

• The amount of matter in something

• The force of gravity that pulls you towards the centre of the Earth

• The units for measuring weight

Multiple Choice

What is mass?

• A force that tries to pull any two objects together

• The amount of matter in something

• The force of gravity that pulls you towards the centre of the Earth

• The units for measuring weight

Multiple Choice

What is weight?

• A force that tries to pull any two objects together

• The amount of matter in something

• The force of gravity that pulls you towards the centre of the Earth

• The units for measuring weight

Fill in the Blank

What would the weight of a tv with the mass of 2kg be on earth? What is it measured in?

Multiple Choice

If a chair has the weight of 12 N on earth what is the mass of the chair?

• 12 kg

• 120 kg

• 12 N

• 1.2kg

Multiple Choice

If a person who has a mass of 15 kg went to a planet with a gravitational force of 3 N/kg, what would their weight be?

• 5 kg

• 45 N

• 5 N

• 35 kg

Multiple Choice

Why can an astronaut float in space?

• Because they have no mass

• Because they are weightless

• space is full of air

Open Ended

How do you calculate weight?

Poll

How confident do you feel with calculating weight and mass?

• very confident

• a little confident

• not very

• I do not have a clue