Physics Topic Practice
Work Done and Energy Transfer | GCSE Physics Questions
Work is done whenever a force moves an object through a distance.
Is work done if you push a wall but it doesn't move?
What is Work Done and Energy Transfer | Questions?
"The measure of energy transfer that occurs when an object is moved over a distance by an external force."
Question 1
1 Joule is equivalent to ____.
Question 2
A box is pushed 5m with a force of 20N. Calculate the work done.
Question 3
A car brakes to a stop. What happens to its kinetic energy?
Work Done Essentials
Work Done (J) = Force (N) x Distance (m).
1 Joule of work = 1 Newton-metre.
Work done against friction causes energy to be dissipated as heat.
Exam Tip
Key Link: Work done is precisely equal to energy transferred.
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