What is this?
fall
drop
What is this?
drop
down
What is this?
weight
invisible
What is this?
weight
invisible
What is this?
down
drop
He ______ the mike
fall
drop
What is this?
air resistance
down
What is this?
friction
gravity
What is this?
invisible
weight
What is this?
drop
fall
What is this?
drop
fall
Leaves _____ the trees
drop
fall
What is this?
fall
drop
_____ pulled the rock down
friction
gravity
What is this?
fall
drop
What is this?
weight
invisible
What is this?
down
air resistance
________ causes the car to stop
friction
gravity
What is this?
friction
gravity
What is this?
friction
gravity
Air is ________
weight
invisible
What is this?
gravity
friction
What is this?
invisible
weight