Practice Law Of Conservation Of Energy (10.2.6) - Work and Energy

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8 questions

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6 sample questions

Question 1.
What does the Law of Conservation of Energy state?
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Think about what happens to energy in a closed environment.
Question 2.
Give an example of potential energy.
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Consider energy due to height.
3Question 3.
The Law of Conservation of Energy states that energy can be:
- Created
- Destroyed
- Transformed
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Think about examples where energy is changing form.
4Question 4.
True or False: Kinetic energy is highest at the top of a hill.
- True
- False
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Where does the object have maximum height?
Question 5.
A ball dropped from a height of 20 meters is found to have a speed of 20 m/s just before it hits the ground. Calculate the potential energy at the start and discuss energy conversion.
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Use the equation for potential energy.
Question 6.
Imagine a swing at rest at its highest position. Describe the energy types at this point and when in motion.
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Draw a diagram to visualize energy changes.

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