Question

The following is a sample data collected by me for a vehicle whose known weight is...

The following is a sample data collected by me for a vehicle whose known weight is 4900 lb.

Tire

Area traced on paper (in2)

Estimate of % tread

Area of Contact

Pressure

(lb/in2)

Force

(lb)

Right Front

75

45

A1=

35

F1=

Left Front

78

45

A2=

32

F2=

Right Rear

76

46

A3=

36

F3=

Left Rear

75

45

A4=

36

F4=

Question 13 pts

A1=

35.1 in2
40.3 in2
33.75 in2
0 in2

F4=

1181.25 lb
1215 lb
4900 lb
1295 lb

Question 35 pts

Calculated weight of the vehicle is

4900 lb
4300 lb
4778 lb
5100 lb

Question 44 pts

What is the % error between the computed weight and the known weight?

0%
10%
3.25%
2.5 %
0 0
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