lab answers

Lab Report PhyI-03: Dynamics Laws
Student’s name___David Salama__________________________
CRN__41928_______Date_Nov. 22_______

Glider mass ___0.191__kg_________; Hanger mass ___0.025 kg______________
In the Tables 1 and 2 below, M is the mass of the glider with or without extra masses; m
is the mass of the hanger with any extra masses on it.
Constant Net Force
Table 1


% difference,
Total mass, Acceleration, Acceleration,
Run m, kg M, kg 100%∙|at- ae|/
M+m, kg experiment ae, m/s2 theory at, m/s2
at
#1 0.025 0.191 0.216 0.496 ± 0.023 1.20 61%
#2 0.025 0.291 0.316 0.346 ± 0.018 0.982 67%
#3 0.025 0.391 0.416 0.294± 0.026 0.840 68%
Net force, mg: __0.2756___ (N)


Constant Mass
Table 2
% difference,
Net Force Acceleration, Acceleration,
Run M, kg m, kg 100%∙|at- ae|/
mg, N experiment ae, m/s2 theory at, m/s2
at
#4 0.2067 0.006 0.0679 0.154 ± 0.0055 0.318 53%
#5 0.1967 0.016 0.1668 0.419 ± 0.013 0.770 46%
#6 0.1867 0.026 0.2656 0.399 ± 0.047 1.19 69%
Total mass, M+m: 0.2176 (kg)


Linear Momentum, Impulse and Force on Glider
Table 3

Force on glider Te, Force on glider Tt, % difference,
Run
experiment, N theory, N 100%∙|Te- Tt|/ Te
#4 0.0299 ± 0.00071 0.0674 57%

#5 0.0904 ± 0.0044 0.149 43%

#6 0.0524 ± 0.0043 0.234 78%