A car accelerates from rest at a rate of 2 m/s². What is the net force acting on

Practice Questions

Q1
A car accelerates from rest at a rate of 2 m/s². What is the net force acting on the car if its mass is 1000 kg?
  1. 200 N
  2. 500 N
  3. 1000 N
  4. 2000 N

Questions & Step-by-Step Solutions

A car accelerates from rest at a rate of 2 m/s². What is the net force acting on the car if its mass is 1000 kg?
Correct Answer: 2000 N
  • Step 1: Identify the formula to use. We will use the formula F = ma, where F is the net force, m is the mass, and a is the acceleration.
  • Step 2: Write down the values given in the problem. The mass (m) of the car is 1000 kg and the acceleration (a) is 2 m/s².
  • Step 3: Plug the values into the formula. Replace m with 1000 kg and a with 2 m/s² in the formula F = ma.
  • Step 4: Calculate the net force. Multiply 1000 kg by 2 m/s² to get F = 2000 N.
  • Step 5: State the final answer. The net force acting on the car is 2000 N.
  • Newton's Second Law of Motion – This law states that the force acting on an object is equal to the mass of that object multiplied by its acceleration (F = ma).
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