UCM Concepts
UCM Math
Gravitation Concepts
Gravitation Math
FBD
Halloween Trivia
Name the Spooky Movie
Name the Candy
100
What does UCM stand for?
Uniform Circular Motion
100
What is the centripetal acceleration on a ball moving in a 1m vertical circle that has a period of 1s?
39.5 m/s2
100
If you move further from the earth's surface what happens to the acceleration due to gravity?
It gets lower
100
What is the force of gravity or weight of a 10kg object that is at sea level?
98 N
100
What is the FBD for a ball rotating in a vertical circle at the bottom of it's path?
100
What creature of the night, often associated with Halloween, is the only mammal naturally capable of sustained flight?
Bat
100
Scream
100
Is White Chocolate Considered as real Chocolate?
No
200
What stays constant during UCM?
Tangential Velocity
200
A ventilation fan has blades 0.25 m long rotating at 20 rpm. What is the tangential velocity of each blade tip?
0.52 m/s
200
What is Newton's Universal law of gravitation?
200
You are standing on the earth at sea level and the earth suddenly got twice as large. The mass of the earth doubled and the radius of the earth doubled. What factor would your weight change?
Weight would be 2 times larger
200
What is the FBD for a ball rotating in a vertical circle at the top of it's path?
200
According to superstition, if you see one of these nocturnal birds on Halloween, it’s a sign that death is near. What type of bird is it?
Owl
200
Megan
200
What peanut-butter-and-chocolate treat is consistently ranked as the single most popular Halloween candy in the United States?
Reese's Peanut Butter Cups
300
What are 3 examples of forces that can cause centripetal motion?
Normal, Friction, gravity, etc. or a combination of these forces
300
A 0.40 kg object is swung in a circular path and in a vertical plane on a 0.5 m length string. If the tangential velocity at the bottom is 4.0 m/s, what is the tension in the string when the object is at the bottom of the circle?
16.7 N
300
If your mass is doubled what happens to your gravitational force?
it doubles
300
Planet Z is 10,000 km in diameter. The acceleration due to gravity on Planet Z is 8.0 m/s2.
What is the mass of Planet Z?
3*1024 kg
300
What is the FBD for a car going over the crest of a circular hill?
300
What do the traditional Halloween colors Black and Orange represent?
Black represents night/death, and Orange represents the harvest/pumpkins/life.
300
IT
300
What candy's slogan is "Taste the Rainbow?"
Skittles
400
What happens to the centripetal force on an object if it moves twice as fast?
The centripetal force quadruples
400
A roller coaster, loaded with passengers, has a mass of 2000 kg; the radius of curvature of the track at the bottom point of the dip is 24 m. If the vehicle has a speed of 18 m/s at this point, what force is exerted on the vehicle by the track?
4.66 * 104 N
400
If your distance from earth is tripled and your mass is halved what happens to your gravitational force?
1/18th as much
400
An object of mass 0.5 kg is transported to the surface of planet outside our solar system where the object’s weight is measured to be 20 N. The radius of the planet is 4*106m. What acceleration will the 0.5 kg object experience when transported to a distance of 2.0*106m from the surface of this planet?
18 m/s2
400
What is the FBD of a roller coaster car going through a vertical loop at the top of the loop?
400
Before pumpkins became the popular carving vegetable in America, what root vegetable was traditionally used for jack-o'-lanterns in Ireland and Scotland?
Turnips
400
Friday the 13th
400
What brand of chewy, sour candy is known for its five classic flavors: Cherry, Lemon, Lime, Orange, and Blue Raspberry?
Sour Patch Kids
500
What is the normal force on a car going into the dip of a circular hill?
Fc + Fg = Fn
500
A satellite is in a circular orbit about the Earth at a distance of one Earth radius above the surface. What is the velocity of the satellite?
5,600 m/s
500
If I am orbiting earth and then move to a higher orbit what happens to my velocity?
It decreases
500
A 50 kg satellite circles planet Cruton every 6 hours. The magnitude of the gravitational force is 80 N. What is the mass of planet Cruton?
8.6*1024 kg
500
What is the FBD for a mint sitting on rotating turntable? (side view)
500
What common Halloween activity was originally a form of fortune-telling, with the winner believed to be the next person to get married?
Bobbing for Apples
500
A Nightmare on Elm Street
500
What do the “Ms” in M&Ms stand for?
The names of the candy’s creators – Mars and Murrie