Relationships
As mass in a system increases the gravity in the system will _____
Increase
The force in the universe that pulls all objects with mass together.
Gravity
What is the force of gravity between two 1000kg blocks if they are 2 meters apart?
0.000017
(GM1M2)/r2
What does this equation solve for?
The Force of Gravity, Fg
What has the larger effect on gravity distance (r) or mass (m)?
r (distance)
As the Mass in a system decreases the gravity will _______
Decrease
M
Mass
What is the force of gravity between two objects, one with a mass of 3000kg and the other with a mass of 10000kg if they are 1000m apart?
2.001E-9
((F_g*r^2)/G) /m_1
What value does this equation solve for?
Missing Mass
What has the least effect on gravity; distance (r) or mass (m)?
mass (m)
As the distance between two objects increases the gravity will ______
Decrease
Double Jeopardy!
Fg
Force of Gravity
What is the gravitational force between two objects if they each have a mass of 100kg and they are placed 1.5m apart from one another?
2.964E-7
sqrt((G*m_1*m_2)/F_g)
The distance between two objects
If you double the mass of an object in a system while keeping everything else the same, what is the effect on the systems gravity?
The gravity doubles
As the distance between two objects decreases the gravity will _____
Increase
G
Gravitational Constant (6.67E-11)
What is the distance between two objects that have a gravitational attraction of 1.4E5N if one of the objects is 4.53E9kg and the other is 6.73E12kg?
3811.15 meters
Which equation would you use to solve the following problem?
The distance between a 1000kg block and a 2000kg block is 4m. What is the force of gravity between the blocks?
F_g=(Gm_1m_2)/r^2
Even though the Earth is much larger than the Moon, the force with which the Earth pulls on the Moon is _____ to the force with which the Moon pulls on the Earth.
Equal
Give two ways that we could increase the strength of gravity in a system?
Add mass to the system, bring the objects closer together
r
distance between the objects
Two carts each have a mass of 1000kg, and together they have a gravitational force of 4.63E-7 newtons. If one of the carts is loaded with 1000kg of materials and the carts are kept at the same distance, what is the new gravitational force on the cart?
9.26E-7
Which equation would you use to solve the following problem?
What is the distance between an airplane with a mass of 1000kg and the Earth if the force of gravity between the two is 4.98E-12?
r=sqrt((Gm_1m_2)/F_g
Give 2 ways that you could weaken the force of gravity in a system.
Increasing distance, decreasing mass
AND Free Points