What is the gravitational force between two 10 kg masses separated by 2 m?

Practice Questions

Q1
What is the gravitational force between two 10 kg masses separated by 2 m?
  1. 25 N
  2. 50 N
  3. 100 N
  4. 200 N

Questions & Step-by-Step Solutions

What is the gravitational force between two 10 kg masses separated by 2 m?
  • Step 1: Identify the masses involved. Here, both masses (m1 and m2) are 10 kg.
  • Step 2: Identify the distance between the two masses. The distance (r) is 2 m.
  • Step 3: Use the gravitational constant (G), which is approximately 6.674 × 10⁻¹¹ N(m/kg)².
  • Step 4: Plug the values into the formula for gravitational force: F = G(m1*m2)/r².
  • Step 5: Calculate the product of the masses: 10 kg * 10 kg = 100 kg².
  • Step 6: Calculate the square of the distance: (2 m)² = 4 m².
  • Step 7: Substitute the values into the formula: F = (6.674 × 10⁻¹¹)(100 kg²)/(4 m²).
  • Step 8: Calculate the force: F = (6.674 × 10⁻¹¹ * 100) / 4 = 50 N.
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