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The problem in the image asks:

*A 2450 kg car slows down at a rate of 3.5 m/s² when approaching a stop sign. What is the magnitude of the net force causing it to slow down?*

To find the magnitude of the net force, we can use **Newton's Second Law of Motion**, which states:

\[
F = ma
\]

Where:
- \( F \) is the net force,
- \( m \) is the mass of the car (2450 kg),
- \( a \) is the acceleration (here it's a deceleration of \( 3.5 \, \text{m/s}^2 \)).

Let's calculate the force:

\[
F = 2450 \, \text{kg} \times 3.5 \, \text{m/s}^2 = 8575 \, \text{N}
\]

So, the magnitude of the net force is **8575 N** (Newtons).

Would you like further details or explanations on how this was solved? Here are 5 related questions to deepen your understanding:

1. What happens to the force if the mass of the car increases?
2. How would the force change if the car decelerates faster, say at \( 5 \, \text{m/s}^2 \)?
3. What other factors, besides mass and acceleration, could affect the net force?
4. What is the difference between force and weight in this context?
5. How is net force related to velocity?

**Tip**: Remember, net force always acts in the direction of acceleration (or deceleration, as in this case), whether speeding up or slowing down.

A 2450 kg car slows down at a rate of 3.5 m/s² when approaching a stop sign. What is the magnitude of the net force causing it to slow down?

Learn how to calculate the magnitude of the net force acting on a 2450 kg car decelerating at 3.5 m/s² using Newton's Second Law of Motion. This physics problem is suitable for students in Grades 9-12, focusing on key concepts like force, mass, and acceleration.

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