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                                     Mouse Trap Car Lab

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                                     Mouse Trap Car Lab

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By Molly Tromp, Hana Kinney, and Linsey Tatar

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1.                                                                                                           a. How could you calculate the amount of work you do as you set the spring on your car? Describe the process and give the equation you would use. 

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1.                                                                                                           a. How could you calculate the amount of work you do as you set the spring on your car? Describe the process and give the equation you would use. 

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Work = Force x Distance.

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b. If the average amount of force needed to set the spring was 10 N, and the circumference of 1/4 of a turn of the mousetrap was 0.10m, how much work did you do? 

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b. If the average amount of force needed to set the spring was 10 N, and the circumference of 1/4 of a turn of the mousetrap was 0.10m, how much work did you do? 

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One Joule because the work done is equal to the potential energy stored.

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c. How could you determine the amount of energy stored in the spring?

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c. How could you determine the amount of energy stored in the spring?

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Potential Energy = Mass x Gravity x Height

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d. If your mousetrap car had a mass of 0.25 Kg, and all of the energy stored in the spring was converted to kinetic energy how fast would it go? Show the equation you would use, then find the speed of the car. 

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d. If your mousetrap car had a mass of 0.25 Kg, and all of the energy stored in the spring was converted to kinetic energy how fast would it go? Show the equation you would use, then find the speed of the car. 

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Velocity = 2KE / Mass (Square root) = 8 m/s

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e. We know that in a friction free enviornment, if this car was to drive up a ramp. all of the kinetic energy it had would be converted into potential energy. How high up a ramp would your car go if it encountered this ramp. 

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e. We know that in a friction free enviornment, if this car was to drive up a ramp. all of the kinetic energy it had would be converted into potential energy. How high up a ramp would your car go if it encountered this ramp. 

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h= 1/ 0.25 x 10 = 0.4 ms

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2. What did you do to make sure that your car travelled in a straight line? 

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2. What did you do to make sure that your car travelled in a straight line? 

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We tried our best to make our car, go in a straight line by directing the wheels all in the same position. Our duck tape holding the wheels could have been stronger. If we could do this lab over again, I would use a different technique to make the wheels steadier.

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3. How does the ratio of the diameter of the wheel and axel affect the distance your car goes? 

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3. How does the ratio of the diameter of the wheel and axel affect the distance your car goes? 

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For the most efficient mouse trap car with our, design, we wanted our wheels to be big, but not too huge that the mass would bring our cars distance down.

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4. How did you minimize friction in your car? 

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4. How did you minimize friction in your car? 

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We needed to make sure that nothing was interfering with the axels, wheels, and lever to have an almost perfect non-friction car.

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5. Did your car achieve the maximum speed calculated in question 1? 

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5. Did your car achieve the maximum speed calculated in question 1? 

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No.

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6. If your car did not achieve the maximum speed calculated in question 1d, hypothesize where that energy went. 

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6. If your car did not achieve the maximum speed calculated in question 1d, hypothesize where that energy went. 

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The energy most likely went with friction; Turning into heat or sound. Even with trying to make our car almost friction free.