Motion
Forces
Energy
Electricity/Magnetics
100

What is Motion?

An object's change in position relative to a reference point.


100

What is Force?

A push or pull exerted on an object.


100

Sunlight passes through the windows of a car and causes the car seats to get hot. Which type of energy flow is involved in heating the seats?

radiation

100

Electric current that changes its direction repeatedly

alternating current


200

What is Inertia?

The tendency of an object to resist any change in its motion.


200

What is the net force?

2N to the left.

200

The transfer of heat in the atmosphere by winds that circulate between the equator and the
poles is an example of?

convection


200

closed conducting loop in which electric current can flow continually

circuit

300

What is a Reference Point?


A place or object used for comparison to determine if an object is in motion.


300

What is the net force?

9 N to the right.


300

Energy that is stored


Potential Energy


300

Rapid movement of excess charge from one place to another

electric discharge


400

What is Velocity?

Speed in a given direction.


400

What is the net force?


100 N to the left


400

Kinetic or potential energy associated with the motion or position of an object


Mechanical Energy


400

Circuit that has more than one path for electric current to follow

parallel circuit


500

A rubber ball and a lump of putty have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Which objects experience the greater momentum change?

A) the ball
B) the putty
C) both experience the same momentum change
D) cannot be determined from the information given

A

500

Mr. Smith and his wife (Mrs. Smith) were trying to move their new chair. Mr. Smith pulls with a force of 30 N while Mrs. Smith pushes with a force of 25 N in the same direction. What is the net force?

55N

500

A form of potential energy that is stored in chemical bonds between atoms.


Chemical Energy


500

A measure of the amount of electrical potential energy an electron flowing in a circuit can gain; measured in volts (V)

voltage