Round & Round
Calculate!
Centripetal Stuff
Force of Gravity
Random!
100
What is the formula for centripetal acceleration?
What is ac = v^2/r
100
What is the formula for centripetal force?
What is Fc = mv^2/r
100
What causes the centripetal force on the flying pig, or any other object moving around on a string?
What is tension force of the string
100
What would happen to the gravitational force between two planets if the mass of one of the planets were doubled?
What is FORCE WOULD ALSO DOUBLE
100
What is Ms. Cadic's dog's name?
What is DORA
200
True or False: When the flying pig moves around in a circular motion, it has a constant speed.
What is TRUE
200
A ball is tied to a string and swung in a circle. What happens to the centripetal force if the length of the string is doubled?
What is Fc IS HALVED
200
In which direction does centripetal acceleration point? a) toward the center, b) outwards, c) tangent to the circle
What is a) toward the center
200
What would happen to the gravitational force felt between two objects if the radius between them were doubled?
What is IT WOULD BE REDUCED BY 1/4
200
What is Albert Einstein's middle name
What is He didn't have one!
300
When the German guy fell off the merry-go-round in the video, in which direction was his velocity? a) inward, b) outward, c) tangent to the merry-go-round
What is c) tangent to the merry-go-round
300
A ball is tied to a string and swung in a circle. If the speed of the ball is doubled, what happens to the centripetal force?
What is Fc QUADRUPLES
300
The flying pig moves around in a circle because there is a force acting: a) outward, b) towards the center, c) tangential
What is b) towards the center
300
What would happen to the gravitational force between two planets if the masses of BOTH planets were doubled?
What is FORCE WOULD QUADRUPLE
300
Where did Ms. Cadic attend college?
Georgia Tech (will also accept Texas)
400
True or False: When the flying pig moves in a circular motion, is has a constant velocity
What is FALSE (direction is constantly changing)
400
a record with a radius of 0.6 m is spinning at a rate of 1.5 m/s. What would the centripetal ACCELERATION be for a piece of gum stuck to the outside edge of the record?
What is 3.75 m/s^2
400
What causes the centripetal force that occurs when a racecar travels around a curve?
What is friction
400
What is the value of the gravitational constant?
What is G = 6.67E-11 Nm^2/kg^2
400
What is the name of the CEO of Tesla Motors?
Who is Elon Musk
500
What REALLY causes you to feel like your body is moving to the right when you make a left turn in your car?
What is your INERTIA (or accept Newton's 1st Law, equal and opposite force when the car door hits you on the left, etc.)
500
A 35 kg child is on a merry-go-round that has a radius of 1.25 m at the playground. Her sister spins her at a velocity of 8 m/s. What is the centripetal force?
What is 1792 N
500
What 3 THINGS does centripetal force depend on?
What is 1) mass, 2) velocity, 3) radius of the circle
500
What happens when planets get closer to the sun?
What is THEY ACCELERATE because they experience MORE FORCE
500
In which country was Isaac Newton born?
What is England