LAB TITLE: Stretch of a spring vs mass attached - …



FIRST QTR LAB - L4 - TITLE: CONCURRENT VECTORS – The Law of Equilibrium

READING TO DO: TEXT: p92-97.

All lab reports must start with your name and physics class section. Next the TITLE

of the lab, and then the 7 SECTIONS BELOW. Please staple your report.

WHAT TO DO: #1- PURPOSE OF LAB (Clearly state all parts.)

“To attempt to prove the law of equilibrium for three concurrent forces acting on a

ring (and to obtain a percent discrepancy for forces in both the X & Y directions)”

HOW TO DO IT: #2- METHOD & MATERIALS (& ANY DIAGRAMS)

(List all materials and describe all procedures performed in your own words.)

a)Avoid the case of three 120 degree angles, or where one angle is too small.

b)For best results, all three spring scales should read between 10 and 17 newtons.

c)Construct a neat vector diagram; use a protractor to accurately measure ................
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