Physics

Which is incorrect? Force arrows should

• Touch the object

• Show the size of the force

• Be the same length

• Show the direction of the force

Is friction a contact force or a non-contact force?

• Contact force

• Non-contact force

What is this tool?

Which are contact forces?

• Gravity

• Friction

• Magnetism

• Water resistance

True or false: Forces always come in pairs.

• True

• False

Draw force arrows on this ball

Forces can deform objects in these two ways:

• Compress and pull

• Push and pull

• Stretch and roll

• Compress and stretch

What does the floor do when you stand on it?

• Push up on you

• Pull down on you

• Nothing, it is a floor

• Stretch

The force of your chair or the floor pushing back is called the

The force pulling him up after the cord has stretched as far as it will go is called...

• Gravity

• Tension

• Extension

• Elastic limit