Experiment presentation for the selection for 혜움나래, KMLA's club for KYPT and IYPT preparation

3. friction
velocity

6. Force
Time (seconds per 10 crank revolutions)
0.4
14.59
12.31
11.89
0.5
6.4
7.07
6.68
0.6
5.29
6.44
Force
Time
0.7
18.56
0.8
15.44
0.9
10.62
1.1
7.7

7. 1.2
linear
1
polynomial
power
Frictional force
logarithmic
0.8
0.6
0.4
0.2
0
0
0.2
0.4
0.6
0.8
velocity
1
1.2
1.4

8. 2.5
Linear: y = 0.604x + 0.4098
Frictional force
2
Power: y = 0.9815x0.3419
1.5
Polynomial: y = -0.1799x2 + 0.8074x + 0.3822
1
Logarithmic: y = 0.2241ln(x) + 0.9562
0.5
0
0
0.5
1
1.5
2
velocity
2.5
3
3.5

9. 2.5
Linear: y = 0.604x + 0.4098
Frictional force
2
1.5
1
0.5
0
0
0.5
1
1.5
2
velocity
2.5
3
3.5

10. time
force

11. 2.5
Frictional force
2
Power: y = 0.9815x0.3419
Logarithmic: y = 0.2241ln(x) + 0.9562
1.5
1
0.5
0
0
0.5
1
1.5
2
velocity
2.5
3
3.5

12. 2.5
Frictional force
2
Power: y = 0.9815x0.3419
Logarithmic: y = 0.2241ln(x) + 0.9562
1.5
1
0.5
0
0
0.5
1
1.5
2
velocity
2.5
3
3.5