Planet or Star
On our moon a person weighs how much times less or greater than on earth?
6 times less
Ex. 147lbs on earth divided by 6 = 24.5lbs on the moon
What is the gravitational pull of earth?
9.8 m/s2 or 9.8 meters per seconds squared
Does weight matter?
Yes
According to what law is, "Gravity is the force that attracts a body towards the center of the earth, or toward any other physical body having mass”
Newton's law
What is the name of Saturns moon and what percent of the gravity of the earth does it have?
Titan and 14%
Ex. 100lbs on earth = 14lbs on Titan
The gravitational pull of Mar's moon, Phobos, is?
0.0057 m/s2 or 0.0057 meters per second squared
If you weighed 150 pounds on earth how much would you weigh on Phobos?
2 ounces
True or False: The BIGGER the mass the GREATER the gravitational pull
Uranus has less gravity on earth by 86%. If you weighed 100lbs on Earth, how much would you weigh on Uranus?
86lbs
The sun has how much times the gravity earth has and how much would you weigh on the sun if you weighed 100lbs?
27.9 times and 2,790lbs
If you weighed 110 pounds on Neptune, you would weigh how many pounds on earth?
100lbs
Gravity does what for our solar system?
Gravity is what keeps the planets orbiting the sun.
An average neutron star has how many times the gravity earth has?
200 billion times
Ex. 1lb on earth = 200 billion pounds on an average neutron star
Why do we call Neptune, Saturn, and Jupiter harsh planets? This does what to objects?
They have a greater amount a gravity than earth does. Making objects weigh much more on their own planets than earth.
An average white dwarf star has 350,000 times the gravity of the Earth. How much would you weigh on an average white dwarf star if you weigh 150 pounds on Earth?
50 million pounds
Mass is ___ the same as ___ because ___ can change. ___ never changes.
Mass is NOT the same as WEIGHT because WEIGHT can change. MASS never changes.