Understanding the Relationship Between Work and Energy

Work and energy are closely related concepts in physics, where work involves the transfer of energy when a force is applied to move an object in the same direction. The equation for work is given by Work (joules) = Force (newtons) x Distance (m), and power represents the rate at which work is done, calculated as Power (watts) = Work (Joules) / Time (seconds). Examples are provided to help grasp the concepts better.

• Work-energy relationship
• Physics
• Work equation
• Power calculation
• Energy transfer

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Uploaded on Sep 20, 2024 | 0 Views

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1. WORK How are work and energy related?

2. WORK Transfer of energy that occurs when a force makes an object move For work to be done, something has to move and the motion must be the same direction as force. When work is done, a transfer of energy always occurs.

3. EQUATION Work (joules) = Force (newtons) x Distance (m) W = FxD

4. EXAMPLE You push a wheelbarrow with a force of 100N. You moved the wheelbarrow 5m. How much work did you do?

5. POWER The rate at which work is done.

6. EQUATION Power(watts)= Work (Joules)/ Time (seconds) P = W/T

7. EXAMPLE You do 900J of work pushing a fridge across the kitchen floor. It took 5 seconds. What was your power?