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A block of mass 5 kg is resting on a frictionless surface. A force of 10 N is ap

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Question: A block of mass 5 kg is resting on a frictionless surface. A force of 10 N is applied to it. What will be its acceleration? (2020)

Options:

  1. 2 m/s²
  2. 5 m/s²
  3. 10 m/s²
  4. 20 m/s²

Correct Answer: 5 m/s²

Exam Year: 2020

Solution: 

Using Newton\'s second law, F = ma, acceleration (a) = F/m = 10 N / 5 kg = 2 m/s².

A block of mass 5 kg is resting on a frictionless surface. A force of 10 N is ap

Practice Questions

Q1
A block of mass 5 kg is resting on a frictionless surface. A force of 10 N is applied to it. What will be its acceleration? (2020)
  1. 2 m/s²
  2. 5 m/s²
  3. 10 m/s²
  4. 20 m/s²

Questions & Step-by-Step Solutions

A block of mass 5 kg is resting on a frictionless surface. A force of 10 N is applied to it. What will be its acceleration? (2020)
  • Step 1: Identify the mass of the block, which is 5 kg.
  • Step 2: Identify the force applied to the block, which is 10 N.
  • Step 3: Recall Newton's second law of motion, which states that Force (F) equals mass (m) times acceleration (a), or F = ma.
  • Step 4: Rearrange the formula to find acceleration (a): a = F/m.
  • Step 5: Substitute the values into the formula: a = 10 N / 5 kg.
  • Step 6: Calculate the acceleration: a = 2 m/s².
  • Newton's Second Law – This law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
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