Question: The gravitational potential energy of two masses m1 and m2 separated by a distance r is given by which formula?
Options:
-G(m1*m2)/r
G(m1*m2)/r
-G(m1+m2)/r
G(m1+m2)/r
Correct Answer: -G(m1*m2)/r
Solution:
The gravitational potential energy U = -G(m1*m2)/r.
The gravitational potential energy of two masses m1 and m2 separated by a distan
Practice Questions
Q1
The gravitational potential energy of two masses m1 and m2 separated by a distance r is given by which formula?
-G(m1*m2)/r
G(m1*m2)/r
-G(m1+m2)/r
G(m1+m2)/r
Questions & Step-by-Step Solutions
The gravitational potential energy of two masses m1 and m2 separated by a distance r is given by which formula?
Step 1: Understand that gravitational potential energy is the energy stored due to the position of two masses.
Step 2: Identify the two masses involved, which are m1 and m2.
Step 3: Recognize that the distance between the two masses is represented by r.
Step 4: Learn that G is a constant called the gravitational constant, which helps calculate the force of gravity.
Step 5: Combine these elements into the formula for gravitational potential energy: U = -G(m1*m2)/r.
Step 6: Note that the negative sign indicates that gravitational potential energy decreases as the masses get closer together.
Gravitational Potential Energy β The energy associated with the gravitational interaction between two masses, which is negative due to the attractive nature of gravity.
Inverse Relationship β The potential energy is inversely proportional to the distance r, meaning as the distance increases, the potential energy becomes less negative.
Universal Gravitational Constant β G is a constant that quantifies the strength of the gravitational force between two masses.
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