Circular Motion
This is the equation for vescape .
What is vescape = √(2 * GM / r) ?
These are the variable and units for the acceleration due to gravity.
What are g and m/s2 ?
This is the variable and units for gravitational force.
What are Fg and Newtons (N) or kgm/s2 ?
These are the names and symbols for the two charged particles.
What are electrons (-) and protons (+) ?
other symbols: e- and p+ .
This is the reason (type of force causing) objects continuously orbit in circles around the same object.
What is centripetal force?
This is the gravitational constant, its quantity, and its units.
What is G = 6.67 x 10-11 m3/kgs2 ( or Nm2/kg2 ) ?
This is the equation for universal gravitation (case matters)
What is Fg = G*M*m / r2 ?
This is the direction that field lines always travel in.
What is from positive charge to negative charge?
Draw a satellite around the Earth. Draw the arrow that shows the direction of the velocity of the satellite. Label it with velocity's variable.
What is an arrow pointing straight forward along its path labelled -v>
This is the equation for the acceleration due to gravity (case matters).
What is g = G * M / r2 ?
This is the gravitational force between an object of mass 1.99 x 1030 kg and an object of 5.97 x 1024 kg who are separated by 1.50 x 1011 m of space (rounded to 2 decimals).
What is 3.52 x 1022 N?
This is one of the two ways electric field strength can be represented on a diagram.
What is the density or opacity of field lines?
Draw a satellite around the Earth. Draw the arrow that shows the direction of the acceleration of the satellite. Label it as acceleration's variable.
What is a straight arrow pointing towards the Earth labelled -a>
This is the gravitational acceleration for a certain celestial body with mass, M = 7.36 x 1022 kg, and radius, r = 1.74 x 106 m, rounded to 2 decimals.
What is 1.62 m/s2 (or 1.6215 m/s2)?
Two iron spheres of 100 kg are separated by 0.80 m. Then, one sphere is reduced to 50 kg. What is the ratio of Fg new : Fg old ? (ex: 2/9 : 1)
What is 1 : 2 ?
(0.5 : 1 or 1/2 : 1)
This is an example diagram of an electric field for one proton and one electron.
What is see the board?
An engineer is rebuilding a Ferris wheel--this time larger. Will they have to use more/less/the same mechanical power than before to get the same number of people around the Ferris wheel?
What is more power?
This is the MASS of a certain celestial body with g = 3.7000 m/s2, and radius, r = 2.4405 x 106 m, rounded to 4 digits.
What is 3.3040 x 1023 kg?
Two iron spheres of 100 kg are separated by 0.80 m. Then, the distance between them is increased to 3 times the original. What is the ratio of Fg new : Fg old ? (ex: 2/9 : 1)
What is 1:9 ?
(1/9 : 1)
A proton and an electron are trapped inside a battery. Will the electric field between them increase/decrease/stay the same if we put the same proton and electron in a battery twice as large (2 x distance between them).
What is the electric field will get weaker.