Transportation
What is most popular method of transportation in US?
Driving alone
Energy of motion
Kinetic energy
What is 2nd Law of Motion?
F = ma
Which will provide more friction: Football field or Ice hockey rink?
Football field
What is transportation?
The movement of people or goods from one place to another.
What is potential energy?
Stored energy yet or waiting to be used.
3rd Law
The more friction there is, the more ______ it is to move.
Roller coaster ride contains potential or kinetic energy?
Both.
What is the total force of 11 kg bowling ball accelerating at 7 m/s^2? Include unit in your answer.
77 N
Why are racing tires smooth?
To go faster, and having less friction
Vehicles burning fuel emit this gas, which contributes to climate change.
CO2 (Carbon Dioxide)
Name 3 common public transportation methods.
Bus, train, metro/subway, light rail, ferry, tram/streetcar.
At about what percent % do Americans drive alone?
75%
What is the unit of measurement for energy?
Joules (J)
Name all steps of scientific method in order correctly.
1. Question
2. Hypothesis
3. Experiment
4. Record and observe
5. Analysis
6. Results