Ashley Understanding Forces and Gravity

What is gravity?

• A force that pushes things up

• A force that pulls objects towards the Earth

• A sound made by moving objects

• A machine part in your body

Which of these is an example of gravity?

• You push a door open

• A book falls from the table

• You pull your toy car

• A magnet picks up a nail

Why don’t we float away from Earth?

• Because we wear shoes

• Because of normal force

• Because gravity pulls us down

• Because the wind keeps us down

What is a normal force?

• A force that helps you sleep

• A force from the ground or surface pushing up

• A kind of food

• A force that pulls you down

When a book is resting on a table, why doesn’t it fall?

• Because the table has magnets

• Because gravity pushes it up

• Because the table pushes up with normal force

• Because the book is glued to the table

In a force diagram of a book on a table, how many arrows do we see?

• One arrow going up

• One arrow going down

• Two arrows, one up and one down

• No arrows

What is an applied force?

• A force from gravity

• A force from a machine only

• A push or pull made by a person or object

• A special kind of magnet

Zara pulls a door open. What kind of force is this?

• Gravity

• Normal force

• Magnetic force

• Applied force

Marcus pushes the table. What kind of force is he using?

• Gravity

• Friction

• Normal force

• Applied force

Which of these shows both push and pull?

• A child kicking a ball

• A girl opening a door

• A mom is kneading the dough to make donuts.

• A book on a table