Rotational Inertia by Rolling Down an Incline Physics Questions

Object

Time

Rotational Inertia

(equation 6)

Rotational Inertia

(equation 5)

% error

No

Final time

Initial time

Travel time t

Average travel time t

units

Cylinder-1 copper

1

29

27

2

2 sec

2

44

42

2

3

1:06

1:04

2

Cylinder-2

Aluminum

1

1:36

34

2

2.33

2

1:47

1:45

2

3

2:00

1:57

3

Cylinder-3

Plastic

1

2:28

2:26

2

2.67

2

2:41

2:38

3

3

2:51

2:49

3

Cylinder-4

Brass

1

3:19

3:17

2

2.33

2

3:38

3:35

3

3

3:48

3:46

2

Solid Sphere-1

Plastic

1

5:21

5:19

3

2.67

2

5:31

5:29

2

3

5:41

5:38

3

Solid Sphere-2

Steel

1

5:57

5:55

2

2

2

6:20

6:18

2

3

6:30

6:28

2

Ring-1

Heavy Tape

1

7:15

7:12

3

3

2

7:26

7:23

3

3

7:37

7:34

3

Ring-2 Light Tape

1

17

14

3

2.5

2

39

37

2

3