A block of mass 2 kg is placed on a frictionless surface and is pushed with a fo

Practice Questions

Q1
A block of mass 2 kg is placed on a frictionless surface and is pushed with a force of 10 N. What is its acceleration?
  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 2 kg is placed on a frictionless surface and is pushed with a force of 10 N. What is its acceleration?
Correct Answer: 5 m/s²
  • Step 1: Identify the mass of the block. The mass (m) is given as 2 kg.
  • Step 2: Identify the force applied to the block. The force (F) is given as 10 N.
  • Step 3: Recall Newton's second law of motion, which states that Force (F) equals mass (m) times acceleration (a). This can be written as F = ma.
  • Step 4: Rearrange the formula to solve for acceleration (a). This gives us a = F/m.
  • Step 5: Substitute the values of F and m into the formula. So, a = 10 N / 2 kg.
  • Step 6: Perform the division. 10 divided by 2 equals 5.
  • Step 7: State the final result. The acceleration (a) of the block is 5 m/s².
  • Newton's Second Law – The relationship between force, mass, and acceleration, expressed as F = ma.
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