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PHYS 111A Translational, Static Equilibrium Lab Report
- Course
- PHYS111A
- Institution
- New Jersey Institute Of Technology
This is a comprehensive and detailed lab report on;Translational, Static Equilibrium-Force Table for Phys 111A.
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Physics Laboratory ReportLab 103: Translational Static Equilibrium — Force Table
Name: Priyanshu Mendiratta Group 5
Date of Experiment: 9/16/22 Date of Report Submission: 9/23/22
Physics 111A Section 109 Instructor: Dolores Termini
Partners: Ryan Adhikari, Angel Espinal, Benzi Villaruel
Introduction
Objective
o To confirm that the condition for static translation equilibrium is that the
vectors sum of force is zero.
o To experimentally test the vector nature of force.
o To practice manipulating the vector and attain understanding of vectors.
o To find unknown tension and direction in a system of strings connected to
a central ring.
Theoretical Background
o Stated by the Newton’s law of motion, if a particle receives a net force of
zero, will either stay still, or move in a constant speed in a straight line.
o Physical quantities are generally classified as scalar or vectors.
o Vector is a quantity that has both magnitude and direction, force is a good
example of a vector.
, o There are 2 methods for the addition of force vectors. The methods are
called Graphical Method --- Triangle (Head to Tail) Method and Analytical
Method --- Component Method.
o Graphical Method --- Triangle (Head to Tail) Method: Vectors are
represented graphically by arrows. The length of an arrow is
corresponding to the magnitude of the vector.
o Analytical Method --- Component Method: Vectors can be broken down
into two parts x and y. The sum of theses vectors can be obtained by
adding x and y component of the vector. The magnitude of the vector is
shows as R= (Rx2 +Ry2)1/2, where Rx=Ax+Bx+Cx, and Ry=Ay+By+Cy.
Experimental Procedure
Equipment List: Force Table, Centering pin on the table with 3 pulley strings,
weight hangers (50g), 3 ring attached with the 3 knotted strings, and standard set
of weight.
The outer rim of the table is graduated in degrees. The central ring is attached
with three knotted strings is placed around the centering pin of the force table.
Weights are added on the hangers that are hung at the ends of the knot of each
string that run over the pulley at different location around the table.
Each string will exert a force on the ring that is proportional to the mass hung on
it and in a direction along the line of the string.
The magnitude (which is the mass times the acceleration due to gravity) of a
force (vector) is varied by adding or removing slotted weight, and the direction is
varied by moving the pulley.
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