Grade 11 Physics: Motion and Energy
This worksheet covers fundamental concepts of motion and energy, including kinematics, Newton's Laws, and forms of energy, suitable for Grade 11 Physics students.
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Grade 11 Physics: Motion and Energy
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Read each question carefully and provide your answers in the space provided. Show all your work for calculation problems.
1. Which of Newton's Laws states that an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force?
First Law
Second Law
Third Law
Law of Conservation of Energy
2. What is the SI unit for energy?
Watt
Newton
Joule
Meter
3. The rate at which work is done is called .
4. The total mechanical energy of a system is conserved if only forces do work.
5. Kinetic energy is the energy an object possesses due to its position.
True
False
6. The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
True
False
7. A car accelerates from rest to 20 m/s in 5 seconds. What is its acceleration?
8. State the Law of Conservation of Energy and provide a real-world example.
9. The diagram below illustrates an energy pyramid. Label each trophic level with the appropriate term (e.g., Producers, Primary Consumers, etc.).
Level 1:
Level 2:
Level 3:
Level 4: