Circular Motion Math
Gravitation Math
Circular Motion Conceptual
Kepler's Laws
Period/Frequency
100
What is the centripetal acceleration of an object moving at 20 m/s in a radius of 15 m?
26.6 m/s2
100
What is the force of gravity acting on a 3 kg object on Earth's surface?
29.4 N
100
The type of force that causes an object to move in a circle.
What is Centripetal Force?
100
This law states that orbiting bodies cover equal areas in equal amounts of time.
What is the 2nd Law?
100
The time it takes an object to complete one revolution.
What is the period?
200
What is the velocity of a 2 kg object experiencing 40 N of centripetal force in a radius of 3 m?
7.7 m/s
200
If the distance between two objects is cut in half, what happens to the gravitational force between them?
4 times greater
200
A perceived force that points outward from the center of circular motion.
What is centrifugal force?
200
The velocity of a planet orbiting the sun is greater at this location?
perigee/perihelion
200
A string vibrates at a frequency of 20 Hz., what is it's period?
What is 0.05 s?
300
What is the acceleration of an object that is traveling in a circle 5 m from the center at a speed of 10 m/s.
20 m/s2
300
What is the gravitational force between two 5kg objects that are 1 m apart?
1.66 x 10-9 N
300
This is the centripetal force which causes a car to move in a circle when traveling on a circular road.
What is Friction?
300
What is D?
300
An oscillator makes 360 vibrations in 3 minutes. What is it's frequency?
What is 2 Hz?
400
A 3 kg ball is being swung in a vertical circle. The ball is spinning with a velocity of 2m/s on a 0.5 m string. What centripetal force must be applied to keep it moving in a circle?
24 N
400
What is the velocity of a satellite that orbits with a radius of 2.4x106 m, and has a period of 9x105 s?
16.75 m/s
400
The direction of the acceleration when an object is moving in a circle.
What is inward?
400
The shape of the path planets take around the sun.
What is elliptical/oval?
400
The number of revolutions per minute
What is frequency?
500
What is the radius of a circular road in which the car experiences 1250 N of centripetal force, has a mass of 1000 kg and is moving at 12 m/s?
115 m
500
What distance separates two 100 kg objects if the gravitational force between them is 2N?
5.7 x 10-4 m
500
A boy is swinging a yo-yo around in a circle and suddenly the string breaks. In what direction will the yo-yo travel once the string is broken?
Straight line
500
True or False the Earth pulls on the Moon with more force than the Moon pulls on the Earth.
False (equal)
500
The unit for frequency
What is Hertz?