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Newton's Laws Unit Test
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Newton's Laws Unit Test
📚 Part 1: Multiple Choice
Choose the best answer for each question.
1. Newton's First Law is also known as the law of:
Acceleration
Inertia
Action-Reaction
Gravity
2. According to Newton's Second Law, if you double the force applied to an object while keeping mass constant, the acceleration will:
Stay the same
Double
Triple
Be cut in half
3. A book sitting on a table demonstrates Newton's First Law because:
It has mass
It remains at rest until a force acts on it
Gravity pulls it down
The table pushes it up
4. Which equation represents Newton's Second Law?
F = ma
a = F/m
m = F/a
All of the above
5. When you walk forward, you push backward on the ground. The ground pushes forward on you. This is an example of:
Newton's First Law
Newton's Second Law
Newton's Third Law
The law of gravity
🧮 Part 2: Problem Solving
Show your work for all calculations.
6. A 10 kg box is pushed with a force of 50 N. Calculate the acceleration of the box.
7. A car with a mass of 1,200 kg accelerates at 3 m/s². What force is the engine applying?
✏️ Part 3: Short Answer
Answer each question in complete sentences.
8. Explain why passengers in a car lurch forward when the car suddenly stops. Use Newton's First Law in your explanation.
9. Give one real-world example of Newton's Third Law and explain the action-reaction pair involved.
10. A feather and a hammer are dropped on the moon (where there is no air resistance). Explain what happens and why, using Newton's laws.
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