Balanced and Unbalanced Forces
Forces
Motion
Newton's Laws
Kinetic and Potential Energy
100
A combined force that causes something to move.
Unbalanced Force
100
What are two examples of forces?
Art and Music
A push or pull
A stand or ground
The dark side and the light side
A push or pull
100
Which word means a change in position?
Speed
Motion
Direction
Force
Motion
100
Newton's First Law said that is an abject is in motion, t will continue moving, unless
an unbalanced force stops it.
100
This is showing this type of energy.
Potential
200
If these boys are each pulling with the force of 10 newtons. What will happen?
The boy in blue will win.
They will not move at all.
The boy in red will win.
Both will fall down.
They will not move at all. Balanced
200
When the bus suddenly stops, I fall to the front of the bus. This is called
Inertia
200
This graph shows a car that has stopped.
A
200
Newton's Second Law of Motion said that if the mass is larger, I will need more ________ to push it.
Force
200
This is a diagram of _____ energy turning into ______ energy. 
potential energy turning to kinetic energy
300
Which of the following statements is true?
Balanced forces cause a change in motion.
Unbalanced forces cause a change in motion.
Forces do not affect the change in motion.
Unbalanced forces cause a change in motion.
300
Is kicking a soccer ball a push or a pull?
push
pull
push
300
When an object changes its path of motion, it changes _____________.
speed
force
direction
direction
300
Newton's Third Law of Motion said that for every action there is
an equal and opposite raction
300
This bicycle has a lot of _________ energy.
Potential Energy
400
This diagram represents ________ forces.
Unbalanced
400
You want to move two boxes. Which sentence correctly describes the force needed to move the boxes?
More force is needed to move the lighter box.
More force is needed to move the heavy box.
More force is needed to move the heavy box.
400
Which object would require the most force to move?
a tennis ball
a baby
a car
a cell phone
car
400
This is called
Newton's First Law of Motion
400
At what point does the roller coaster car has the most kinetic energy?
Point 2
500
A heavy box sits on the floor with the force of 3 newtons pushing left and the force of 5 newtons pushing right. Gravity is pulling the box down to the floor and the force of the floor is pushing the box up. Which statement best identifies the result of all forces acting on the box?
A. The box doesn't move at all.
B. The box moves left.
C. The box moves right.
D. The box moves downward.
C
500
A car and semi are travelling down the road at the same speed. They both slow down with the same stopping force. Which statement best explains why the semi needs more distance than the car to stop.
A. The semi is longer.
B. The semi has larger wheels.
C. The semi has more mass.
D. The semi has less mass.
C. The semi has more mass.
500
The air blowing up on an air hockey table causes the puck to...?
A. Air balances the forces and makes the puck move faster.
B. Air causes the puck to slow down.
C. Air causes the puck to have less mass and travel farther.
D. Air reduces friction and allows the puck to move easily.
D. Air reduces friction and allows the puck to move easily.
500
This diagram represents Newton's
Second Law of Motion.
500
Planets like Earth, Mars, and Jupiter are moving around the Sun constantly. This is an example of _________ energy.
Kinetic
600
This diagram represents _______ forces.
Balanced Forces
600
This force pulls objects to the center(core) of the Earth.
Gravity
600
You want to move two boxes. Which sentence correctly describes the force needed to move the boxes?
More force is needed to move the lighter box.
More force is needed to move the heavy box.
More force is needed to move the heavy box.
600
This is an example of
Newton's Third Law of Motion,
Action/Reaction
600
I'm about to hammer in a nail. I get ready to hit the nail on the head, and raise my hammer.
This is ______ energy.
