Simple Machines
Define a Lever
What is a rigid bar on a fixed point
What pulls a roller coaster down?
What is gravity
Define Sig Figs
What are significant figures
Who painted the Mona Lisa?
Who is Leonardo Da Vinci
A weightlifter picks up a 50 N weight and holds is for 1 minute. Is he doing work?
No
Define an Inclined plane
What is an even, sloping surface
Define energy
What is the ability to do work
Define PHEOC
What is Problem, Hypothesis, Experiment, Observations, Conclusions
Who stated E=mc2?
Who is Albert Einstein
Define Work.
What is using a force to move an object a distance
Define wheel and axle
What is a wheel secured to a rigid pole
At the bottom of a hill, does a roller coaster have more PE or KE
What is KE
How many sig figs does this number have?
3500
What is 2
Who wrote Hamlet?
Who is Shakespeare
Mrs. Reifel picks up a 11 N bag and carries in 12 m. How much work did she do?
What is 132 J
Define a pulley
What is a wheel and rope attached to a bar
What are the 6 types of energy?
What is light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy,chemical energy, nuclear energy
How many sig figs does this number have?
404120000.00
What is 11
What did the crocodile swallow in Peter Pan?
What is an alarm clock
Define Power
What is the rate at which work is done
Why is it not possible to have a machine with 100% efficiency?
What is loss of energy due to friction
What kind of energy is known as waste energy?
What is thermal energy
Who created PHEOC/the scientific method?
Who is Francis Bacon
Which fingernail grows the fastest?
What is the middle fingernail
Mr. Sherry did 150 J of work moving books, taking him 30 seconds. How much power was used?