**Purpose:**

To design an experiment to determinethe magnitude of the force keeping a toy car in circular motion.

**Matireals:**

Ring stand

Toy Car

Stopwatch

Meter Stick

Triple Beam Balance

String

**Procedure:**

1. Determine the weight of the car using the triple beam balance

2. Find the length of the radius of the string

3. Determine the circumference of the circle that the car travels by using the correct formula

4. Use the centripetal force formula to find the amount of force that is keeping the car in motion.

**Data & Data Analysis:**

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**Conclusion**:

Through using the given formulas I was able to determine that the velocity that was keeping the car in motion was .128 N. Some errors in the experiment that may effect the data include, slow reaction time on the stop watch, and how the battery of the car was drained after multiple uses.

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