Work and Energy Fundamentals
This worksheet covers fundamental concepts of work, energy, and their interrelationships, suitable for Grade 11 Physics students.
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Work and Energy Fundamentals
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Read each question carefully and answer to the best of your ability. Show all work for calculation problems.
1. Which of the following conditions must be met for work to be done on an object?
A force is applied to the object.
The object moves in the direction of the force.
Both a and b.
Neither a nor b.
2. What is the standard unit of work and energy?
Watt
Newton
Joule
Meter
3. The ability to do work is defined as .
4. energy is the energy of motion.
5. The formula for gravitational potential energy is PE = mgh, where 'm' is mass, 'g' is acceleration due to gravity, and 'h' is .
6. If you push against a wall and it doesn't move, you have done work on the wall.
True
False
7. The Law of Conservation of Energy states that energy can be created or destroyed, but not transferred.
True
False
8. A 2 kg object is lifted 3 meters. Calculate the work done against gravity. (g = 9.8 m/s²)
9. Explain the difference between kinetic energy and potential energy, providing an example for each.