page4
0
2
4
6
8
Distance from pivot (cm)
0
2
4
6
8
10
12
14
0
2
4
6
8
16
18
20
22
24
10
12
14
16
18
20
22
24
26
28
30
Force required to lift lid (N)
Using a lever to open a paint tin
Draw a line of best fit and stick this into your book, then answer these.
1) Is the line of best fit straight or curved?
2) Describe the trend you see in words.
3) List as many things as you can which would make these
measurements inaccurate or unreliable.
0
2
4
6
8
Distance from pivot (cm)
0
2
4
6
8
10
12
14
0
2
4
6
8
16
18
20
22
24
10
12
14
16
18
20
22
24
26
28
30
Force required to lift lid (N)
Using a lever to open a paint tin
Draw a line of best fit and stick this into your book, then answer these.
1) Is the line of best fit straight or curved?
2) Describe the trend you see in words.
3) List as many things as you can which would make these
measurements inaccurate or unreliable.