Mechanical Energy Worksheet
Explore the concepts of mechanical energy, potential energy, and kinetic energy with this Grade 11 science worksheet.
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Mechanical Energy Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. Which of the following is the correct definition of mechanical energy?
The energy of an object due to its motion.
The energy stored in an object due to its position or state.
The sum of kinetic and potential energy.
The energy released during a chemical reaction.
2. A roller coaster is at the top of a hill. At this point, what type of energy does it primarily possess?
Kinetic energy
Potential energy
Thermal energy
Chemical energy
3. The law of of energy states that energy cannot be created or destroyed, only transformed from one form to another.
4. When a spring is compressed, it stores potential energy.
5. Explain the difference between kinetic energy and potential energy, providing an example for each.
6. As an object falls, its kinetic energy decreases while its potential energy increases.
True
False
7. A 2 kg ball is dropped from a height of 10 meters. Calculate its potential energy at the initial height and its kinetic energy just before it hits the ground (assume no air resistance). Use g = 9.8 m/s².