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Physics Study Guide
What are the units for the following physics concepts?
Mass
Speed
Acceleration
Speed:
𝑺=
Force
Momentum
𝑫
𝑻
A toy dune buggy travels 128 cm in 4 seconds. What is its speed?
Resultant Velocity:
A bus is traveling at a velocity of 24.6 mi/hr east. A student on the bus throws a paper airplane
toward the back of the bus, with a velocity of 0.8 mi/hr west. What is the velocity of the airplane?
Draw a picture with vectors:
Solve the problem:
Include units and direction in your answer!
Position vs. Time Graphs
Look at the graph. Who is moving the fastest?
Use the slope of the line to estimate how fast the
biker, runner, and walker are moving.
Write the correct label above each graph – constant speed, acceleration, and not moving.
Acceleration:
𝑨=
𝑽𝒇−𝑽𝒊
𝑻
What is the train’s acceleration?
Forces:
What is a force?
A train accelerates from 20 mi/hr to 100 mi/hr in 16 seconds.
What type of forces cause acceleration?
(Circle One)
Unbalanced
Balanced
What is the net force on the box?
Are the forces balanced or unbalanced?
Will the box move?
If so, which direction?
A hockey stick applies a force to a hockey puck. Draw the forces acting on the puck. Include friction.
Static Friction
List an example of each type of friction (Static, Sliding, Rolling, Fluid) that
you experience in a car.
Sliding Friction
Rolling Friction
Fluid Friction
Define the law, then give an example and draw a picture of how the law is observed in real life:
Definition
Example
Newton’s 1st Law
Newton’s 2nd Law
Newton’s 3rd Law
Which has more inertia – a bowling ball or a ping-pong ball?
Why?
Momentum:
p = mv
A basketball has a mass of 0.5 kg and is moving with a velocity of 10 m/s to the right. What is the
momentum of the basketball?
A bowling ball has a mass of 5 kg and is moving with a velocity of 0.8 m/s to the left. What is the
momentum of the bowling ball?
If the bowling ball and basketball collide head-on, which direction will they move?