If a 2 kg object is pulled with a force of 10 N and experiences a frictional for

Practice Questions

Q1
If a 2 kg object is pulled with a force of 10 N and experiences a frictional force of 4 N, what is its acceleration?
  1. 3 m/s²
  2. 5 m/s²
  3. 2 m/s²
  4. 1 m/s²

Questions & Step-by-Step Solutions

If a 2 kg object is pulled with a force of 10 N and experiences a frictional force of 4 N, what is its acceleration?
  • Step 1: Identify the mass of the object. The mass is 2 kg.
  • Step 2: Identify the applied force. The applied force is 10 N.
  • Step 3: Identify the frictional force. The frictional force is 4 N.
  • Step 4: Calculate the net force by subtracting the frictional force from the applied force: Net force = 10 N - 4 N.
  • Step 5: Perform the subtraction: 10 N - 4 N = 6 N. So, the net force is 6 N.
  • Step 6: Use the formula for acceleration, which is acceleration (a) = net force (F) / mass (m).
  • Step 7: Substitute the values into the formula: a = 6 N / 2 kg.
  • Step 8: Perform the division: 6 N / 2 kg = 3 m/s².
  • Step 9: Conclude that the acceleration of the object is 3 m/s².
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