see children, when i roll the ball it slows down because of friction. it stops because friction acted on it.
FRICTION
SPEED
the man is going 1 mph.
acceleration
from not moving to running
balanced force
the book is sitting on the table. since it's not moving, the forces are balanced.
unbalanced force
the mouse is moving so that is an unbalanced force acting on it.
newton's 1st law
the ball will stay
in motion until it
hits the unbalanced
force.
unbalanced
force
newton's 2nd law
the small boy needed
less force to start
than the bigger boy.
i never thought that
this was newton's 3rd
law. equal and
opposite forces. ha ha!!
newton's 3rd law
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