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Q: An object of mass 20 kg is moved with an acceleration of 4m / s². Calculate the amount of force applied to it.
  • A. 80N
  • B. 5N
  • C. 10N
  • D. 25N
Correct Answer: Option A - Given, Mass (m) = 20 kg Acceleration (a) = 4 m/s² Force (F) = mass (m) x acceleration (a) = 20x4 = 80 N
A. Given, Mass (m) = 20 kg Acceleration (a) = 4 m/s² Force (F) = mass (m) x acceleration (a) = 20x4 = 80 N

Explanations:

Given, Mass (m) = 20 kg Acceleration (a) = 4 m/s² Force (F) = mass (m) x acceleration (a) = 20x4 = 80 N