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How much work is done when a force of 30 N moves an object 4 m in the direction

Practice Questions

Q1
How much work is done when a force of 30 N moves an object 4 m in the direction of the force?
  1. 120 J
  2. 90 J
  3. 60 J
  4. 30 J

Questions & Step-by-Step Solutions

How much work is done when a force of 30 N moves an object 4 m in the direction of the force?
  • Step 1: Identify the force applied to the object, which is 30 N (Newtons).
  • Step 2: Identify the distance the object is moved in the direction of the force, which is 4 m (meters).
  • Step 3: Use the formula for work, which is Work = Force * Distance.
  • Step 4: Substitute the values into the formula: Work = 30 N * 4 m.
  • Step 5: Calculate the result: 30 * 4 = 120.
  • Step 6: The work done is 120 J (Joules).
  • Work – Work is defined as the product of the force applied to an object and the distance the object moves in the direction of the force.
  • Units of Work – Work is measured in joules (J), where 1 joule is equivalent to 1 newton meter (N·m).
  • Direction of Force – Work is only done when the force applied and the displacement of the object are in the same direction.
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