An object is in equilibrium under the action of three forces: 10 N, 15 N, and 20

Practice Questions

Q1
An object is in equilibrium under the action of three forces: 10 N, 15 N, and 20 N. What is the resultant force acting on the object? (2019)
  1. 0 N
  2. 5 N
  3. 10 N
  4. 15 N

Questions & Step-by-Step Solutions

An object is in equilibrium under the action of three forces: 10 N, 15 N, and 20 N. What is the resultant force acting on the object? (2019)
  • Step 1: Understand that equilibrium means all forces acting on the object balance each other out.
  • Step 2: Identify the forces acting on the object: 10 N, 15 N, and 20 N.
  • Step 3: Realize that in equilibrium, the total or resultant force is zero.
  • Step 4: Conclude that since the object is in equilibrium, the resultant force is 0 N.
  • Equilibrium – An object is in equilibrium when the sum of all forces acting on it is zero.
  • Resultant Force – The resultant force is the vector sum of all forces acting on an object.
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