What happens to the ball when a boy kicks it?
The ball moves in the direction of applied force.
How can the ball be stopped?
A force can be applied to stop the ball.
What makes the wheels of a bike move when you ride it?
When I ride a bike,
My foot pushes against the pedal.
The push makes the wheels of the bike move.
What causes an object to fall to the ground when dropped?
A) the wind blowing against it
B) gravity pulling it
C) the friction with the air
It is pulled to the ground by gravity.
Define force.
Force is a push or pull in a particular direction.
How does the force applied affect motion in this picture?
start moving
or move faster
What causes the wheels of a car to slow down in this picture?
A) the force of gravity
B) the force produced by the car's engine
C) the force produced by the brakes slows down then stops the car.
C) The force produced by the brakes slows down then stops the car.
How does force affect motion in this picture?
change direction
What is the boy doing when he blows the balloon?
change the shape of the balloon
What units are used to measure force?
Kilograms
Centimeters
Newtons
Newtons