A 5 kg block is resting on a frictionless surface. A force of 10 N is applied to

Practice Questions

Q1
A 5 kg block is resting on a frictionless surface. A force of 10 N is applied to it. What is the acceleration of the block?
  1. 1 m/s²
  2. 2 m/s²
  3. 3 m/s²
  4. 4 m/s²

Questions & Step-by-Step Solutions

A 5 kg block is resting on a frictionless surface. A force of 10 N is applied to it. What is the acceleration of the block?
Correct Answer: 2 m/s²
  • Step 1: Identify the mass of the block. The mass is given as 5 kg.
  • Step 2: Identify the force applied to the block. The force 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), or F = ma.
  • Step 4: Rearrange the formula to solve for acceleration (a). This gives us a = F/m.
  • Step 5: Substitute the values into the formula. We have a = 10 N / 5 kg.
  • Step 6: Perform the division. 10 N divided by 5 kg equals 2 m/s².
  • Step 7: Conclude that the acceleration of the block is 2 m/s².
  • Newton's Second Law – The relationship between force, mass, and acceleration, expressed as F = ma.
  • Frictionless Surfaces – Understanding that the absence of friction simplifies the calculation of motion.
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