Mechanics

Mechanics experiment 2 : (GROUP 3)

Student no or trials Mass m(g)
Deviation m-m ave (g)
Absolute Deviation m-m ave (g)
1 75.5 0 0
2 75.3 -.02 0.2
3 75.8 .3 .3
4 75.4 -.10 .1
5 75.5 0 0
Sum 377.5 0.6
Average 75.5 0.12
Table 1: Measurement of the old balance

Table 2 : Measurement for the new balance

Student no or trials
Mass m(g)
Deviation m-m ave (g)
Absolute Deviation m-m ave (g)
1 74.1 -1.14 1.14
2 75.5 .26 .26
3 75.4 .16 .16
4 75.6 .36 .36
5 75.6 .36 .36
Sum 376.20 2.28
Average 75.24 .46

TABLE 3 : length measurement

Student no or trials Length l (cm)
Deviation l-l ave (cm)
Absolute Deviation l-l ave (cm)
1 199.0 -0.2 0.2
2 199.0 -0.2 0.2
3 199.5 0.3 0.3
4 199.0 -0.2 0.2
5 199.5 0.3 0.3
Sum 996.0 1.24
Average 199.2 0.24

Table 4: width measurement

Student no or trials Length w (cm)
Deviation w-w ave (cm)
Absolute deviation w- w ave (cm)
1 92.0 -2.4 2.4
2 92.5 -1.9 1.9
3 92.5 -1.9 1.9
4 92.5 -1.9 1.9
5 92.5 -1.9 1.9
Sum 472.0 10.0
Average 94.4 2.0

Table 5: Perimeter

Student no or trials Perimeter
Deviation P-Pave (cm)
Absolute Deviation
P-Pave (cm)
1 582 -1.2 1.2
2 583 -0.2 0.2
3 584 0.8 0.8
4 583 -0.2 0.2
5 584 0.8 0.8
Sum 2916 3.2
Average 583 0.64

Table 6: Area
Student no or trials Area A (cm) Deviation A-A ave (cm) Absolute Deviation
A-A ave (cm)
1 18308.0 -97 97.0
2 18407.0 1.4 1.4
3 18453.0 47.4 47.4
4 18407.0 1.4 1.4
5 18453.0 47.4 47.4
Sum 92,028.0 194.6
Average 18,405.6 38.9

Table 7: Masses of Object
Object
Using triple beam balance 1
2
3
4
5
Average
MAD

Cylindrical 57.0 56.8 57.0 56.9 57.0 56.0 0.08

Rectangular 75.4 75.2 75.4 75.4 75.4 75.4 0.04

Table 8: dimensions of cylindrical objects

Dimensions USING VERNIER CALIPER (cm) USING RULER(cm) 1 2
3
Average
MAD
1
2
3
AVE
MAD

Radius .62 .63 .62 .60 .02 2 2 2 2 0

Height 5.20 5.60 5.60 5