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Newton's First Law

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Newton's First Law

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📚 Part 1: Understanding Newton's First Law

1. Newton's First Law states that an object at rest stays at rest, and an object in motion stays in motion unless acted upon by:

A balanced force

An unbalanced force

Gravity only

No force at all

2. Which of the following best describes inertia?

The tendency of an object to resist changes in motion

The speed of a moving object

The force that stops moving objects

The weight of an object

3. A book is sitting on a table. According to Newton's First Law, the book will:

Eventually start moving on its own

Stay at rest until a force acts on it

Fall off the table due to gravity

Move in a circular pattern

4. Which of these are examples of Newton's First Law? (Check all that apply)

A passenger lurching forward when a car suddenly stops

A hockey puck sliding on ice until friction stops it

A ball rolling down a hill and speeding up

A coin staying in place when you pull a tablecloth quickly

🔬 Part 2: Analyzing Real-World Examples

5. Explain why passengers in a car need to wear seatbelts using Newton's First Law:
6. A toy car rolls down a ramp and continues moving on a flat surface until it stops. What force(s) caused it to stop?
7. Complete the sentence: When you're riding in a car that turns left quickly, your body tends to lean __________ because of __________.
8. A soccer ball is sitting on a field. List three different forces that could act on it to change its motion:

a) _________________________________

b) _________________________________

c) _________________________________

✏️ Part 3: Apply Your Understanding

9. Draw and label a diagram showing an example of Newton's First Law. Include arrows to show forces acting on the object.
10. In your own words, explain Newton's First Law and give one example from your daily life:

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