Mechanics

Topics: Length, Vernier scale, Volume Pages: 6 (599 words) Published: February 18, 2013
Mechanics experiment 2 : (GROUP 3)

Student no or trials

Mass m(g)
Deviation m-m ave (g)
Absolute Deviation
m-m ave (g)
175.500
275.3-.020.2
375.8.3.3
475.4-.10.1
575.500
Sum377.50.6
Average75.50.12
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)
174.1-1.141.14
275.5.26.26
375.4.16.16
475.6.36.36
575.6.36.36
Sum376.202.28
Average75.24.46

TABLE 3 : length measurement

Student no or trials

Length l (cm)
Deviation l-l ave (cm)
Absolute Deviation
l-l ave (cm)
1199.0-0.20.2
2199.0-0.20.2
3199.50.30.3
4199.0-0.20.2
5199.50.30.3
Sum996.01.24
Average199.20.24

Table 4: width measurement

Student no or trials

Length w (cm)
Deviation w-w ave (cm)
Absolute deviation
w- w ave (cm)
192.0-2.42.4
292.5-1.91.9
392.5-1.91.9
492.5-1.91.9
592.5-1.91.9
Sum472.010.0
Average94.42.0

Table 5: Perimeter

Student no or trials

Perimeter
Deviation P-Pave (cm)
Absolute Deviation
P-Pave (cm)
1582-1.21.2
2583-0.20.2
35840.80.8
4583-0.20.2
55840.80.8
Sum29163.2
Average5830.64

Table 6: Area
Student no or trialsArea A (cm) Deviation A-A ave (cm)Absolute Deviation A-A ave (cm)
118308.0-9797.0
218407.0 1.41.4
318453.047.447.4
418407.01.41.4
518453.047.447.4
Sum92,028.0194.6
Average 18,405.638.9

Table 7: Masses of Object
Object
Using triple beam balance

1
2
3
4
5
Average
MAD

Cylindrical
57.056.857.056.957.056.00.08

Rectangular
75.475.275.475.475.475.40.04

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
.62.63.62.60.0222220

Height
5.205.605.605.4755550

Table 9 : dimensions of rectangular objects
Dimensions
USING VERNIER CALIPER (cm)

Using Ruler (cm)

1

2
3
Average
MAD
1
2
3
AVERAGE
MAD

Length
6.76.76.76.704.84.94.94.7.2

Width
4.64.64.64.603.93.83.83.8.03

Thickness
4.654.654.654.6504.74.64.74.7.03

Table 10 : Volumes and densities of cylindrical and rectangular objects

Object
Volume (cm)
Density (g/cm)

Using vernier caliper

Using ruler
Using vernier caliper
Using ruler

Cylindrical
615.79.34.8

Rectangular
14383.4.9
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