Circular Motion, Torque, Universal Gravitation, & Kepler's Laws

Match the following Scientists to their contributions.

• Credited with discovering gravity

• Brahe

• Took meticulous dat/Earth centric model

• Kepler

• Studied "fields" for magnetism

• Galileo

• Developed 3 Laws of Planetary Motion

• Newton

• Developed a Law of Universal Gravitation

• Faraday

Johannes ​ (a)   used data from ​ (b)   ​ to develop a ​ (c)   centered model for the solar system.

• Kepler
• Brahe
• sun
• earth
• Faraday
• Newton
• perfect circle

Tags

NGSS.HS-ESS1-4

Kepler's ​ (a)   Law states that planets move in an ​ (b)   path around the ​ (c)  

• 1st
• elliptical
• sun
• 2nd
• 3rd
• circular
• earth
• geometric
• Kuiper Belt

Tags

NGSS.HS-ESS1-4

Match 'em up gamers!

• Orbits are elliptical around the sun

• Developed Special and General Theories of Relativity

• Albert Einstein

• Kepler's 2nd Law

• Equal areas are swept out in equal time

• Kepler's 3rd Law

• Kepler's 1st Law

• Gravity pulls on all objects with mass

• Law of Universal Gravitation

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

A Bavarian butcher whirls a sausage over his head in a circular path. If the circle has a radius of .12m and a period of .44 seconds, what is the velocity?

• 23 m/s

• 1.7 m/s

• .053 m/s

• .753 m/s

A pizza maker spins some dough over his head. If the pizza dough has a radius of .36 m and a velocity of 1.8 m/s, what is its acceleration?

• 5 m/s²

• .072 m/s²

• 3.24 m/s²

• 9 m/s²

Tags

NGSS.HS-PS2-1

What is the centripetal force on a frisbee if it has a mass of .16 kg and an acceleration of 3.4 m/s² ?

• 21.25 Kg

• 21.25 N

• .544 N

• .544 Kg

Tags

NGSS.HS-PS2-1

What is the gravitational pull between a portobello mushroom (mass of .12 kg) and a slice of pizza (mass of .13 kg) if they are 2 m apart?

• 0.25 N
• 2.6 x 10^-13 N

• 1.11 x 10^-10 N
• 5.67 x 10^-9 N

Tags

NGSS.HS-PS2-4

How far apart are two squirrels (masses of .45 kg and .6 kg) if they experience an attractive force of 6.23 x 10^-10 N?

• .017 m

• 17 m

• .17 m

• 1.7 m

Tags

NGSS.HS-PS2-4

An ice skating mongoose pulls his arms in during a spin. His rotational inertia ​ ​ (a)   while his velocity ​ (b)   ​ .

• decreases
• increases

Tags

NGSS.HS-PS2-2