An object is in equilibrium. If two forces of 10 N and 15 N act on it in opposit

Practice Questions

Q1
An object is in equilibrium. If two forces of 10 N and 15 N act on it in opposite directions, what is the net force?
  1. 5 N
  2. 10 N
  3. 15 N
  4. 0 N

Questions & Step-by-Step Solutions

An object is in equilibrium. If two forces of 10 N and 15 N act on it in opposite directions, what is the net force?
Correct Answer: 0 N
  • Step 1: Understand that equilibrium means the object is not moving, so the net force must be zero.
  • Step 2: Identify the two forces acting on the object: one force is 10 N and the other is 15 N.
  • Step 3: Recognize that these forces are acting in opposite directions.
  • Step 4: To find the net force, subtract the smaller force from the larger force: 15 N - 10 N.
  • Step 5: Calculate the result: 15 N - 10 N = 5 N.
  • Step 6: Since the object is in equilibrium, the net force should be zero, meaning the forces cancel each other out.
  • Equilibrium – An object is in equilibrium when the net force acting on it is zero, meaning all forces balance each other out.
  • Net Force Calculation – The net force is calculated by vectorially adding all forces acting on an object, taking into account their directions.
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