G- 6.673E - I N.m/Kge 8. A 35 kg object is on the surface of Venus. Venus has a mass of 4.87x1024 kg and a radius of 6.05x10° m. A. What is the weight of the object on the earth (useg = 9.8 m/s²)? B. What is the mass of the object on the earth? C. What is mass of the object on Venus? D. What is weight of the object on Venus?
Gravitational force
In nature, every object is attracted by every other object. This phenomenon is called gravity. The force associated with gravity is called gravitational force. The gravitational force is the weakest force that exists in nature. The gravitational force is always attractive.
Acceleration Due to Gravity
In fundamental physics, gravity or gravitational force is the universal attractive force acting between all the matters that exist or exhibit. It is the weakest known force. Therefore no internal changes in an object occurs due to this force. On the other hand, it has control over the trajectories of bodies in the solar system and in the universe due to its vast scope and universal action. The free fall of objects on Earth and the motions of celestial bodies, according to Newton, are both determined by the same force. It was Newton who put forward that the moon is held by a strong attractive force exerted by the Earth which makes it revolve in a straight line. He was sure that this force is similar to the downward force which Earth exerts on all the objects on it.
![CE =Xlo").
Name:
Рeriod:
1. Does gravity increase or decrease with greater distance?
decrease
Does gravity increase or decrease with greater mass?
increase
If one of the masses is tripled, how does the gravity change?
2.
by Foebouof 3
3.
4.
If the distance between the masses is doubled, how does the gravity change?
8 m
5.
What does the "r" in the equation mean?
12 m
Center
of
twd masses
To find the gravitational force between the two objects at the
right, r = ? you
6.
Radius
add Aodius + distance +
26 m
mi.
7. A 6.5×1012kg object is 3.2x10ʻm away from a 3,800 kg object.
Calculate the force of gravity between them.
m, = 6-5EIZ
m2 = 3800K9
r= 3.2E4 m'
G= 6.673E - I| Nom/Kg²
8. A 35 kg object is on the surface of Venus, Venus has a mass of 4.87x1024 kg and a radius of 6.05x10 m.
A. What is the weight of the object on the earth (use g = 9.8 m/s)?
E2= (6.673E !) (6.5E12) (380
(3.2[4)"
1.65x106
(3.2E42 = 1.61 xlo`3
0,06161 N
B. What is the mass of the object on the earth?
C. What is mass of the object on Venus?
D. What is weight of the object on Venus?
12 m
2500 kg
9. Four identical 2500 kg objects are at the corners of a square with 12 m sides.
A.
C
A. What is the distance between A and B?
B. Calculate the force of gravity between A and B.
Calculate the force of gravity between B and D.
B
A 25 kg object is then placed at the center of the square (point P).
Remembering that force is a vector, calculate the net force on the object at point P.
Object C is then removed, as is the object at point P.
Draw (with arrows) and label the gravitational forces on Object B,
due to objects A and D.
12 m
B Calculate the net gravitational force on Object B.
The 25 kg object is placed back at point P.
C. Calculate the distance between each corner and point P.
D. Calculate the new gravitational force on the object at point P.
2500 kg
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