PHYS 210 Lab Report, Fall 2015
American University of Beirut · Introductory Physics II · 3 pages
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Physics 210L
Conservation of Mechanical Energy
Grade:
NAMES: ____________________________ SECTION: ________
INSTRUCTOR: __________
1. Elastic potential energy of a rubber band:
Weights (N)
Displacement of
glider in (m)
Plot F (x) against x on a graph paper.
Work done to stretch the rubber band from the plot: . . . . . . . . . . . . . . . . . . . . . . .
Elastic potential energy of the stretched band : . . . . . . . . . . . . . . . . . .
1
2. Work-Energy:
Mass of glider . . . . . . . . . . . . . . . . . . kg
Length of glider . . . . . . . . . . . . . . . . . m
Trial
I
II
III
IV
V
reading of timer
speed of glider
Kinetic energy
of glider
Kinetic energy of glider: . . . . . . . . . . . . . . . . . . . . . . J
Compare with the result of part A and comment.
2
3. Friction on the Track:
Location of glider
I
II
III
IV
speed of glider in m/s
Kinetic energy
of glider ( )
Estimate the force of friction: . . . . . . . . . . . . . . . . . . . . .
Calculate the coefficient of kinetic friction
Comment:
3