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If a force of 15 N is applied to a mass of 3 kg, what is the net force acting on

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Question: If a force of 15 N is applied to a mass of 3 kg, what is the net force acting on the mass if it is also experiencing a frictional force of 5 N?

Options:

  1. 10 N
  2. 15 N
  3. 20 N
  4. 5 N

Correct Answer: 10 N

Solution: 

Net force = applied force - frictional force = 15 N - 5 N = 10 N.

If a force of 15 N is applied to a mass of 3 kg, what is the net force acting on

Practice Questions

Q1
If a force of 15 N is applied to a mass of 3 kg, what is the net force acting on the mass if it is also experiencing a frictional force of 5 N?
  1. 10 N
  2. 15 N
  3. 20 N
  4. 5 N

Questions & Step-by-Step Solutions

If a force of 15 N is applied to a mass of 3 kg, what is the net force acting on the mass if it is also experiencing a frictional force of 5 N?
  • Step 1: Identify the applied force. In this case, the applied force is 15 N.
  • Step 2: Identify the frictional force acting against the motion. Here, the frictional force is 5 N.
  • Step 3: To find the net force, subtract the frictional force from the applied force. This means you calculate 15 N (applied force) - 5 N (frictional force).
  • Step 4: Perform the subtraction: 15 N - 5 N = 10 N.
  • Step 5: The result, 10 N, is the net force acting on the mass.
  • Net Force Calculation – Understanding how to calculate net force by subtracting opposing forces, such as friction, from the applied force.
  • Newton's Second Law – Application of Newton's Second Law (F = ma) in determining the net force acting on an object.
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