A car manufacturer is designing a new, lighter sports car. It has a mass of 1,000 kg. They ran 5 trials to see how a change in force could result in a change of acceleration. Examine the table below to answer the following questions. Table 1: Force and Acceleration Trials Trial Force (N) Mass (kg) Acceleration (m/s2) 1 2,000 1,000 2 4,000 1,000 4 3 8,000 1,000 8 4 12,000 1,000 12 5 1,000 16 Questions: 1a. What are the units of…force? mass? and acceleration? b. Identify the variables of this experiment: Control: , Independent:, Dependent: c. Analyze the data for Trial 2 and Trial 3. How many times greater is the force applied in Trial 3 (compared to 2)? and how many times greater is the acceleration in Trial 3? d. Analyze the data for Trial 2 and Trial 4. How big if the force applied in Trial 2 (compared to 4)? and How big is the acceleration in Trial 2 (compared to 4)? e. Big Idea! For the same object, what is the relationship between acceleration and force? Choose one. i. A big force causes a big acceleration. (direct relationship) ii. A big force causes a small acceleration. (indirect relationship) f. Based on what you have learned, fill in the missing data in Table 1. now
A car manufacturer is designing a new, lighter sports car. It has a mass of 1,000 kg. They ran 5 trials to see how a change in force could result in a change of acceleration. Examine the table below to answer the following questions.
Table 1: Force and Acceleration Trials
|
Trial |
Force (N) |
Mass (kg) |
Acceleration (m/s2) |
|
1 |
2,000 |
1,000 |
|
|
2 |
4,000 |
1,000 |
4 |
|
3 |
8,000 |
1,000 |
8 |
|
4 |
12,000 |
1,000 |
12 |
|
5 |
|
1,000 |
16 |
Questions:
1a. What are the units of…force? mass? and acceleration?
b. Identify the variables of this experiment: Control: , Independent:, Dependent:
c. Analyze the data for Trial 2 and Trial 3. How many times greater is the force applied in Trial 3 (compared to 2)? and how many times greater is the acceleration in Trial 3?
d. Analyze the data for Trial 2 and Trial 4. How big if the force applied in Trial 2 (compared to 4)? and How big is the acceleration in Trial 2 (compared to 4)?
e. Big Idea! For the same object, what is the relationship between acceleration and force? Choose one.
i. A big force causes a big acceleration. (direct relationship)
ii. A big force causes a small acceleration. (indirect relationship)
f. Based on what you have learned, fill in the missing data in Table 1.
now
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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