Energy Types
Potential and Kinetic Energy
Forces
Energy Transformations
Vocabulary
Net Forces
100
The sum of all forces acting upon an object
What is: Net force
100
Name the 3 types of potential energy
What is Chemical, Gravitational, and Elastic potential energy
100
What is the formula for force.
What is Force =Mass x Acceleration
100
The law of conservation of energy describes how the amount of total energy can change in a closed system. Which of these statements correctly describes this law?
A.
The amount of kinetic energy in a system is a constant value.
B.
An object can have potential energy or kinetic energy, but not both at the same time.
C.
Energy can be converted from one form into another, but it cannot be created or destroyed.
D.
The amount of energy created when an object moves is equal to the energy destroyed when it stops moving.
What is C.
Energy can be converted from one form into another, but it cannot be created or destroyed.
100
This describes the speed over a stretch of time
What is average speed
100
What is the Net Force?
What is:
Zero Net Force
200
The 3 types of Potential Energy are.....
What is Chemical, Elastic, Gravitational Potential energy
200
When the slingshot is held in position as in the diagram, what kind of energy is present?
What is elastic (potential) energy
200
In what direction does acceleration occur?
What is, in the direction of the net force
200
Students build a circuit. The circuit has wires that connect a battery to a switch and a fan. Which energy transformations happen when the students close the circuit and the blades of the fan begin to spin?
A.) Mechanical to electrical to chemical
B.) Chemical to mechanical to electrical
C.) Electrical to chemical to mechanical
D.) Chemical to electrical to mechanical
What is :
D.) Chemical to electrical to mechanical
200
The sum of all forces acting on an object
What is Net Force
200
What is the Net Force?
What is 17N to the Left
300
Name 4 types of Kinetic energy
What is Electrical, Radiant, Thermal, Motion, and Sound Energy
300
According to the above diagram, at what point would the roller coaster car have the greatest potential energy?
What is 3
300
Which statement does the model NOT accurately represent?
A.)The forces on the box are acting in opposite directions.
B.)The two forces acting on the box are unequal.
C.) The box will move in the direction of the greater force.
D.) The two forces acting on the box are equal
What is D The two forces acting on the box are equal
300
At which of these positions does the ball have both the greatest kinetic energy and the least potential energy? 
What is Position 2.
300
ability to cause change
What is energy
300
What is the net force and direction of the force for the free-body diagram?
What is Fnet= 20N to the left
400
Potential Energy that is stored in the form of food or a battery.
What is Chemical Energy
400
Two Great Snipe birds are migrating. Both birds have a mass of 100 grams and are flying at 90 kilometers per hour. Bird R is flying 2.0 km above the ground, and Bird Q is flying 2.5 km above the ground.
Based on the information above, which statement best describes the energy of the two birds?
A.)Bird Q and Bird R have the same kinetic energy and potential energy.
B.)Bird Q and Bird R have the same kinetic energy but different potential energy.
C.)Bird Q and Bird R have no kinetic energy but have the same potential energy.
D.)Bird Q and Bird R have the same potential energy but different kinetic energy.
What is What B
Bird Q and Bird R have the same kinetic energy but different potential energy
400
The tendency of an object to resist change in motion
What is inertia
400
A rock that falls off a cliff represents both potential and kinetic energy. What is the energy transformation involved in this scenario?
What is As the potential energy decreases, the kinetic energy increases.
400
What is change in motion?
What is Acceleration
400
What is the net force acting on the weight?
Is it balanced or unbalanced and in what direction?
What is:
1160 N up and The forces are unbalanced with the lifting force greater than the weight of the object.
500
What is the equation for force?
What is Force=MA or Force = Mass x Acceleration
500
Which form of energy will the object gain when it is compressed?
What is mechanical
500
Increases as mass and speed increase
What is kinetic Energy
500
Which of the following is an example of electrical energy transforming into heat and and light?
A ) a car headlight
B.) the body digesting food
C.) particles vibrating to create sound
D.) rays of light from the sun reaching Earth
What is a car head light
500
Point of greatest or least energy (potential or kinetic)
What is position
500
Select the TWO scenarios that include a pair of forces that are equal in magnitude and opposite in direction.
A.)A bird flaps its wings downwards, pushing air, and the air pushes the bird downward.
B.)A person pushes a wall with a force of 50 N, the wall pushes back on the person with an equal force of 50 N in the same direction.
C.)A book exerts a 10 N force downward on a table, and the table exerts an equal and opposite force of 10 N upward on the book.
D.)A bat hits the ball with 100 N of force, the ball exerts an equal and opposite force of 100 N on the bat.
E.) A swimmer pushes the water backward with a force, the water pushes backward on the swimmer with an equal and opposite force.
What is :
E.) A swimmer pushes the water backward with a force, the water pushes backward on the swimmer with an equal and opposite force.
A.) A bird flaps its wings downwards, pushing air, and the air pushes the bird downward.