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100
What happens to the ball when a boy kicks it?
The ball moves in the direction of applied force.
100
How can the ball be stopped?
A force can be applied to stop the ball.
100
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.
100
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.
100
Define force.
Force is a push or pull in a particular direction.
200
How does the force applied affect motion in this picture?
start moving
or move faster
200
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.
200
How does force affect motion in this picture?
change direction
200
What is the boy doing when he blows the balloon?
change the shape of the balloon
200
What units are used to measure force?
Kilograms
Centimeters
Newtons
Newtons
