General physics fun

Our greatest source of energy is

• the sun
• food
• nuclear power
• electricity

All of the following are examples of a force except.

• A tow truck moving another car.
• Getting pushed on a swing.
• Watching a movie
• Pulling a flag up the flag pole.

Tags

NGSS.3-PS2-1

When you run up a flight of stairs, you do the _________ amount of work as when you walk up the stairs, but when you run up the stairs you use __________ power than when you walk up the stairs.

• same, more

• more, same

• same, less

• less, more

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

At which position does the pendulum possess 100% kinetic energy?

• A

• B

• C

• D

• E

What type of energy source is coal considered to be?

• a nonrenewable fossil fuel

• a renewable fossil fuel

• a nonrenewable biomass source

• a renewable electrical source

The transfer of kinetic energy from one medium or object to another.

• Heat

• Temperature

• Radiation

• Convection

Force is a _____ or _______

• simple    complex
• push     pull
• up      down
• in      out

Tags

NGSS.MS-PS2-1

How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?

• 15 J
• 45 J
• 0 J
• 5 J

What is the MA of a wheel with a radius of 10 cm and an axle of 5 cm?

• 50

• 2

• 0.5

• 15