Grade 10 Science: Mechanical Energy
This worksheet covers fundamental concepts of mechanical energy, including kinetic and potential energy, their transformations, and conservation.
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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 work for calculations.
1. Which of the following is the sum of an object's kinetic and potential energy?
Thermal energy
Chemical energy
Mechanical energy
Electrical energy
2. The energy an object possesses due to its motion is called energy.
3. Gravitational potential energy depends on an object's mass, gravity, and .
4. According to the law of conservation of mechanical energy, energy can be created or destroyed.
True
False
5. A roller coaster car is at the top of a hill. Describe the energy transformations that occur as it moves down the hill and then climbs a smaller hill.
6. A 2 kg ball is dropped from a height of 10 meters. Calculate its kinetic energy just before it hits the ground. (Assume g = 9.8 m/s² and ignore air resistance).
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