Circular Motion Double-click Word Art Put Subject of Game Here and put your topic here or click once and delete.

Grrr…avity

Merry Go Round We Go

As the Worlds Turns

Sketch This

Physics is Phun!

5 pt. 5 pt. 5 pt. 5 pt. 5 pt. 10 pt. 10 pt. 10 pt. 10 pt. 10 pt. Grr…avity Merry Go Round We Go As the World s Turns Sketch This Physics is Phun! 5 pt. 5 pt. 5 pt. 5 pt. 5 pt. 10 pt. 10 pt. 10 pt. 10 pt. 10 pt. 15 pt. 15 pt. 15 pt. 15 pt. 15 pt. 20 pt. 20 pt. 20 pt. 20 pt. 20 pt. 25 pt. 25 pt. 25 pt. 25 pt. 25 pt.

1-5 What is the value of G? 5 pt.

1-5A What is the value of G? 6.67 x 10-11 Nm2/kg2 . 5 pt.

What is the formula for Newton’s law of gravitation? 1-10 What is the formula for Newton’s law of gravitation? 10 pt.

What is the formula for Newton’s law of gravitation? F = Gm1m2 / r2 10 pt.

1-15 If the mass of a planet is doubled, and the radius is doubled, what happens to the force of gravity? 15 pt.

The gravitational force is halved. If the mass of a planet is doubled, and the radius is doubled, what happens to the force of gravity? The gravitational force is halved. 15 pt.

1-20 What is the gravitational force between two planetoids if each has a mass of 500,000,000kg and their centers of mass are 200km apart? 20 pt.

1-20A What is the gravitational force between two planetoids if each has a mass of 500,000,000kg and their centers of mass are 200km apart? F = Gm1m2 / r2 F = 6.67x10-11*500,000,0002 / 200,0002 F = 4.17x10-4 N 20 pt.

1-25 If the gravitational force between two spaceships is 5x10-10 N, and each ship has a mass of 2000kg, how far apart are the spaceships? (measured CM to CM) 25 pt.

F = Gm1m2 / r2 r = sqrt(Gm1m2 / F) 731 m 1-25A If the gravitational force between two spaceships is 5x10-10 N, and each ship has a mass of 2000kg, how far apart are the spaceships? (measured CM to CM) F = Gm1m2 / r2 r = sqrt(Gm1m2 / F) 731 m 25 pt.

What force causes an object to move in a circular path? 2-5 What force causes an object to move in a circular path? 5 pt.

(-20 pts if you write Centrifugal!) What force causes an object to move in a circular path? Centripetal (-20 pts if you write Centrifugal!) 5 pt.

Centripetal Acceleration? 2-10 What is the formula for Centripetal Acceleration? 10 pt.

Centripetal Acceleration? What is the formula for Centripetal Acceleration? ac = v2 / r 10 pt.

2-15 If a 0.5 kg ball spins on a table at 12m/s, attached to a 1m string, what is the tension on the string? 15 pt.

2-15A If a 0.5 kg ball spins on a table at 12m/s, attached to a 1m string, what is the tension on the string? F = mv2 / r F = 0.5*122 / 1 F = 72 N 15 pt.

2-20 If a 5 kg bowling ball is spun vertically at 24m/s, attached to a 0.5m rope, what is the tension on the rope at the bottom of the circle? 20 pt.

Ft - Fg = mv2 / r Ft = 5*242 / .5 +5*9.8 F = 5809 N 20 pt. Ft Fg 2-20A If a 5 kg bowling ball is spun vertically at 24m/s, attached to a 0.5m rope, what is the tension on the rope at the bottom of the circle? Ft - Fg = mv2 / r Ft = 5*242 / .5 +5*9.8 F = 5809 N Ft Fg 20 pt.

Type question here. Adjust size & position as necessary. Your Team may wager from 0-50 pts. 2-25 Type question here. Adjust size & position as necessary. You must make your wager BEFORE the Daily Double is revealed!!! 25 pt.

Daily Double Daily Double Daily Double In a carnival ride which spins you in a vertical circle, how fast must it spin for you to feel weightless at the top if it has a radius of 2m? Fg + Fn = mv2 / r Fn = 0 mg = mv2 / 2 Sqrt(2g) = v v = 4.43m/s Daily Double

3-5 A planet orbits its sun, when the sun is suddenly stolen by aliens. Which path does the planet follow? 4 3 2 1 5 pt.

3-5A A planet orbits its sun, when the sun is suddenly stolen by aliens. Which path does the planet follow? Path #3 4 3 2 1 5 pt.

What causes the seasons on planet Earth? 3-10 What causes the seasons on planet Earth? 10 pt.

What causes the seasons on planet Earth? Planetary Tilt 10 pt.

3-15 If the Sun is at one of the focal points of Haley’s comet, what is at the other focal point? 15 pt.

3-15A If the Sun is at one of the focal points of Haley’s comet, what is at the other focal point? Nothing Empty space 15 pt.

3-20 What is Kepler’s 3rd Law? 20 pt.

Ra3/Ta2 = Rb3/Tb2 What is Kepler’s 3rd Law? Formula relating the orbital radii and periods of different objects orbiting the same body 20 pt.

3-25 If one moon orbits a planet at a radius of 400,000 km, and has a period of 30 days, how long will it take a moon to orbit the planet at half the radius? 25 pt.

Ra3/Ta2 = Rb3/Tb2 400,0003/302 = 200,0003/Tb2 T = 10.6 days If one moon orbits a planet at a radius of 400,000 km, and has a period of 30 days, how long will it take a moon to orbit the planet at half the radius? Ra3/Ta2 = Rb3/Tb2 400,0003/302 = 200,0003/Tb2 T = 10.6 days 25 pt.

4-5 Draw a free body diagram for an object on a table top spinning in a circle because it’s tied to a string 5 pt.

4-5A Draw a free body diagram for an object on a table top spinning in a circle because it’s tied to a string Ft FN FT or Fg 5 pt.

4-10 Draw a free body diagram for an object at the top of a circular path because it’s tied to a string. 10 pt.

4-10A Draw a free body diagram for an object at the top of a circular path because it’s tied to a string. FG FT 10 pt.

4-15 Draw a free body diagram for a person on a roller coaster at the bottom of a loop. 15 pt.

4-15A Draw a free body diagram for a person on a roller coaster at the bottom of a loop. FN FG 15 pt.

4-20 Draw a free body diagram for an object spun on a string in a vertical circle, at the time the object is on its way directly downward. 20 pt.

4-20A Draw a free body diagram for an object spun on a string in a vertical circle, at the time the object is on its way directly downward. FT FG 20 pt.

4-25 Draw a complete free body diagram for a car driving in a circle around a flat track. 25 pt.

4-25A Draw a complete free body diagram for a car driving in a circle around a flat track. FN Ff FG 25 pt.

Among the land animals, what animal has the longest tail? 5-5 Among the land animals, what animal has the longest tail? 5 pt.

The Giraffe It can be up to 8’ long!

Name the Seven Dwarves (in alphabetic order) 5-10 Name the Seven Dwarves (in alphabetic order) 10 pt.

5-10A Bashful Doc Dopey Grumpy Happy Sleepy Sneezy 10 pt.

What is the Harlem Globetrotter’s theme-song? 5-15 What is the Harlem Globetrotter’s theme-song? 15 pt.

5-15A 15 pt.

Name the three categories of fencing blades. 5-20 Name the three categories of fencing blades. 20 pt.

5-20A Epee Saber Foil 20 pt.

5-25 Identify these three cereal characters. 25 pt.

5-25A 25 pt.

Daily Double Daily Double Daily Double Daily Double In a carnival ride which spins you in a vertical circle, how fast must it spin for you to feel weightless at the top if it has a radius of 2m? Daily Double Daily Double