Is gravity always 9.8m/s2??
INTRODUCTION: A simple pendulum consists of a mass m swinging back and forth along a circular arc at the end of a string of negligible mass. A pendulum is a weight suspended from a pivot so that it can swing freely. Gravity is the pull that two bodies of mass exert on one another. There are several simple experiments that will allow you to calculate the acceleration due to gravity of a falling object. A simple pendulum can determine this acceleration. The only variables in this experiment are the length of the pendulum (L) and the period of one full swing of the pendulum (T). In this case the independent variable represents the length of the string and the dependent variable represents the period of one oscillation. The control variable is the mass of the pendulum. In this lab our goal was to see if we can prove if the acceleration due to gravity is 9.8m/s2. The R2 in this lab is closed to 9.8 m/s2 . The formula that we used in this lab is T=2πLg and then we solved for g=L(T2π)2. HYPOTHESIS: The gravity will be 9.81 m/s2 at sea level due to the acceleration. PROCEDURE:

Materials: stopwatch, meter stick, support stand, string, mass (200g), rod clamp, protractor. Safety: Be careful not to drop any of the heavy materials or to hit somebody near you by using them. 1. Set up the support stand on a flat surface.

2. Tie to mass at the end of the string in a way that the string would be straight( in this case the mass will be 200g) 3. Measure the distance from the top of the support to the mass attached to the string. ( we used 10 different distances) 4. Pull back the mass keeping the string taut.

5. Measure the angle and keep it relative to vertical ( we kept the angle constant at 20°). We picked a smaller angle so when we would calculate the period we would only get one oscillation per 6. Release the pendulum mass and simultaneously start the stopwatch. 7. Let the pendulum swing through one cycle.

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PhysicsLabReport
How does the length of a string holding a pendulum affect its oscillation?
Method
1. You will need the following apparatus: a pendulum, a piece of string, a clamp, a clamp stand and a timer.
2. Measure out 20cm and attach the metal ball.
3. Establish an angle and let the ball swing for 10 oscillations, timing it and stopping at the 10th one.
4. Write down your results.
5. Repeat steps...

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Pendulum
Raiyan Hassan
SPH3U
September 20, 2011
Introduction
A pendulum is a device which consists of a mass attached to a string from a frictionless pivot which allows it to swing back and forth. In this experiment, the time it takes for a pendulum to go through a period is going to be measured. The time it takes for a pendulum to go through one period can depend on factors such as the length of the string, mass, or...

...concepts of energy and momentum conservation.
Conclusion
The purpose of the experiment was to investigate simple elastic and inelastic collisions to study the conservation of momentum and energy concepts. The objective of the lab was met since the validity of the Law of Conservation of Momentum was confirmed by determining the relationship of energy and momentum conservation between inelastic and elastic collisions by utilizing percent discrepancy...

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Experiment 7: Relative Density
Laboratory Report
Marella Dela Cruz, Janrho Dellosa, Arran Enriquez,
Alyssa Estrella, Zacharie Fuentes
Department of Math and Physics
College of Science, University of Santo Tomas
España, Manila Philippines
Abstract
The experiment was conducted to show the different methods on how to determine an object’s composition through its density and to determine an object’s density by displacement method and the Archimedes Principle....

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“The Domino Effect”
Teacher’s Prompt
Investigate the domino effect with a set of dominoes.
Aim
To investigate the relationship between the mass of the dominoes, and how it impacts the time taken of the domino effect.
Independent Variable: The mass of each domino (12.38 g, 32.38 g, 42.38 g, 62.38 g, 82.38 g).
Dependent Variable: Time taken of the domino effect.
Controlled Variable: The number of dominoes used (8 dominoes), the distance between the dominoes (2 cm), the loads used as...

...Introduction
In this lab we had to design a system that would test if changing the mass, angle of release and length would have any effect on the period of a pendulum.
Hypothesis
As the length, mass and angle of release change, the period (T) will change for each one of these factors.
Materials
Lab stand
Protractor
Cardboard
Fishing line
Stopwatch
Weights
Hook for weights
Tape
Ruler
Weighing scale
Logger Pro
Variables...

...LabReport - The Simple Pendulum
Name: XXXXXXX XXXXX XXXXXXX
Date: January 18, 2013
Objective:
Gain insight on how scientists come to understand natural phenomena through theoretical and experimental data by determining the Period of a Simple Pendulum. This experiment will introduce us to the processes of data collection and the procedures used for data /error analysis.
Theory:
A Period of motion is a physical quantity...

...PHYS 221 Experiment M10 Harmonic Motion of a simple Pendulum
Jacob LaMarre
Group members: Josh, Courtney, Ashley
Abstract: Determine the acceleration due to gravity using a pendulum.
Introduction:
A simple pendulum consists of a mass suspended by a length of string. When set Oscillating, the mass will have a period “T” given by the following equation.
This equation shows the only variables that affect the rate at which the...