What is the gravitational potential energy U of two masses m1 and m2 separated b

Practice Questions

Q1
What is the gravitational potential energy U of two masses m1 and m2 separated by a distance r?
  1. U = -G * (m1 * m2) / r
  2. U = G * (m1 * m2) / r
  3. U = (m1 + m2) * r
  4. U = G * (m1 - m2) / r

Questions & Step-by-Step Solutions

What is the gravitational potential energy U of two masses m1 and m2 separated by a distance r?
  • Step 1: Understand that gravitational potential energy (U) 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: Use the formula U = -G * (m1 * m2) / r to find the gravitational potential energy.
  • Step 6: Plug in the values of m1, m2, r, and G into the formula to calculate U.
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