What is the work done in moving an object from one point to another in a gravita

Practice Questions

Q1
What is the work done in moving an object from one point to another in a gravitational field?
  1. Depends on the path taken
  2. Is always zero
  3. Depends only on the initial and final positions
  4. Is maximum at the highest point

Questions & Step-by-Step Solutions

What is the work done in moving an object from one point to another in a gravitational field?
  • Step 1: Understand that work is done when a force moves an object.
  • Step 2: Recognize that in a gravitational field, the force acting on an object is gravity.
  • Step 3: Identify the initial position (where the object starts) and the final position (where the object ends up).
  • Step 4: Note that the work done depends only on these two positions, not how the object got there.
  • Step 5: Use the formula for work done against gravity: Work = Weight x Height Difference.
  • Step 6: Calculate the weight of the object (Weight = mass x gravity).
  • Step 7: Find the height difference between the initial and final positions.
  • Step 8: Multiply the weight by the height difference to find the work done.
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