Forces
Energy
Energy Examples
Energy Transformations
Net Force
100
What is an balanced force?
When the forces on both side of the object are the same
100
What is potential energy?
Energy that is stored - not ready to be used
100
Ball sitting on a hill
potential energy
100
What is energy transformation?
When one type of energy is transformed into another
100
If arrows are in the same direction, how do you find net force?
Add them together
200
What is an unbalanced force?
When the force on one side of the object is different than on the other side
200
What does kinetic energy depend on?
Mass and Speed
200
a golf ball after being hit with a club
Kinetic Energy
200
When a ball is projected in the air, where is the highest potential energy?
Ball C
200
When do you subtract to find net force?
When arrows are going in different directions
300
What happens to the object when there are balanced forces acting on it?
The object will not move
300
What does gravitation potential energy depend on?
Height and mass
300
A kite in the air
Potential Energy
300
In the figure, potential energy is being converted into kinetic energy from
Point a to point b
300
Find the net force. In what direction is it going
3N to the right
400
What happens when an unbalanced force acts on an object
The object will move
400
Why does a stretched out spring have more potential energy?
It is more deformed. The more deformed it in, the more potential energy
400
A water fall
Kinetic energy
400
What happens to the energy in the pendulum as it swings from Point 1 to Point 3?
Potential energy decreases
Kinetic energy increases
400
Find the net force. In what direction is the object moving?
4000 N to the left
500
If a 2 teams were playing tug of war, how will one team be able to beat the other?
One team will need to use greater force (make it unbalanced) than the other team
500
If you double the mass and the speed, what else gets doubled?
Its kinetic energy
500
Which letter has the highest Kinetic Energy?
Which letter has the Highest Potential Energy?
3
5
500
POP QUIZ!!
What month is my birthday?
May
500
Find the Net force. In what direction is the object moving?
0. Not moving