What is the gravitational force between two 1 kg masses placed 1 m apart?

Practice Questions

Q1
What is the gravitational force between two 1 kg masses placed 1 m apart?
  1. 6.67 × 10^-11 N
  2. 6.67 × 10^-10 N
  3. 6.67 × 10^-9 N
  4. 6.67 × 10^-8 N

Questions & Step-by-Step Solutions

What is the gravitational force between two 1 kg masses placed 1 m apart?
  • Step 1: Identify the masses involved. Here, both masses (m1 and m2) are 1 kg.
  • Step 2: Identify the distance between the masses. The distance (r) is 1 meter.
  • Step 3: Use the gravitational constant (G), which is approximately 6.67 × 10^-11 N(m/kg)².
  • Step 4: Plug the values into the gravitational force formula: F = G * (m1 * m2) / r².
  • Step 5: Substitute the values: F = (6.67 × 10^-11) * (1 * 1) / (1²).
  • Step 6: Calculate the denominator: 1² = 1.
  • Step 7: Calculate the numerator: (6.67 × 10^-11) * (1 * 1) = 6.67 × 10^-11.
  • Step 8: Divide the numerator by the denominator: F = 6.67 × 10^-11 / 1 = 6.67 × 10^-11 N.
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