science
Grade-11
Easy

Question

A horizontal force of 50 N is applied to a 5 kg plank resting on a laminate benchtop. If the friction is 10 N, calculate the acceleration of the box

  1.  8  ms −2
  2. 7 ms −2
  3. 4 ms −2
  4. 5

The correct answer is: 8  ms −2

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