The car manufacturer wants to see how the mass of the car affects the force required to accelerate the car by the same amount. A second set of trials are run in order to see how much force is needed to accelerate cars of different masses. Table 2: Force and Acceleration Trials Trial Force (_____) Mass (______) Acceleration (____________) 1 6,000 500 2 6,000 1,000 6 3 6,000 2,000 3 4 6,000 3,000 2 5 6,000 4,000 Questions: 1a. Label Table 2 with the proper units for each quantity and identify the variables of this experiment: Control: Independent Dependent: b. Analyze the data for Trial 2 and Trial 3; how big is the acceleration in Trial 3 (compared to 2)? and How many times greater is the mass in Trial 3? c. Analyze the data for Trial 2 and Trial 4. How much greater is the acceleration in Trial 2 (compared to 4)? and How big is the mass in Trial 2 (compared to 4)?
The car manufacturer wants to see how the mass of the car affects the force required to accelerate the car by the same amount. A second set of trials are run in order to see how much force is needed to accelerate cars of different masses.
Table 2: Force and Acceleration Trials
|
Trial |
Force (_____) |
Mass (______) |
Acceleration (____________) |
|
1 |
6,000 |
500 |
|
|
2 |
6,000 |
1,000 |
6 |
|
3 |
6,000 |
2,000 |
3 |
|
4 |
6,000 |
3,000 |
2 |
|
5 |
6,000 |
4,000 |
|
Questions:
1a. Label Table 2 with the proper units for each quantity and identify the variables of this experiment:
Control: Independent Dependent:
b. Analyze the data for Trial 2 and Trial 3; how big is the acceleration in Trial 3 (compared to 2)? and How many times greater is the mass in Trial 3?
c. Analyze the data for Trial 2 and Trial 4. How much greater is the acceleration in Trial 2 (compared to 4)? and How big is the mass in Trial 2 (compared to 4)?
d. Big Idea! For the same amount of force, what is the relationship between acceleration and mass? (Choose one.)
i. A large mass will have a large acceleration (direct relationship)
ii. A large mass will have a small acceleration. (indirect relationship)
e. Based on this relationship, fill in the missing data in Table 2.
To summarize the findings from Experiments you now know that acceleration is (directly/indirectly)_______________ related to _______________ and (directly/indirectly) _______________ related to _______________. The conclusion you have just drawn is Newton’s second law of motion!
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