# Experiment free fall and gravitational acceleration photogate

Recommended for High School. No other forces can be acting; in particular, air resistance must be either absent or so small as to be ignored. When the object in free fall is near the surface of the earth, the gravitational force on it is nearly constant. Determining the Acceleration of Gravity Experiment 2: A suggested data table for this experiment is attached, but you are free — and encouraged — to create your own. Measure the total displacement from the first spot to each spot, yi. In other words, go from the top spot to the first spot, and measure the distance y1.

Then go from the top spot to the second spot, and measure the distance y2. Then from the top to the third spot down, and measure the distance, etc. Record these displacements in a second table within Excel or on paper. Calculate and record the overall average velocity of the falling block at each point, which depends upon the total distance traveled and the total time elapsed to fall that distance: The uncertainty in time is used twice once to get velocities, and again to get acceleration ; the uncertainty in distance is used once. Calculate the actual percentage error in your results to determine the accuracy of your experiments: If you graph this instantaneous velocity at each point vs.

Graph the instantaneous interval displacement versus elapsed time. Does the slope of this graph change? If it does, the object is accelerating! Calculate the instantaneous average velocity of the falling object at each point, and record in your table: Since you took a number of distances to get the average instantaneous velocity, your average uncertainty in distance is divided by the square root of the number of data points you used n.

## Exploring Pendulums - Science NetLinks

Which is more precise? Which is more accurate? Which was most accurate? What effect do you think human reaction time has in this experiment?Determining the Acceleration Due to Gravity.

Time the fall using the electronic photogate setup. Be sure to estimate a reasonable uncertainty in your measurement of the time, as well, based on Determining the Acceleration of Gravity. Experiment 2: Timed Free-Fall. Sample Formal Laboratory Report for Physics on the Picket Fence Lab without the parachute.

Purpose: The purpose of this experiment is to verify the acceleration due to gravity using the picket fence with a photogate, LabPro and LoggerPro software by measuring it with a precision of % or better. For an object in free-fall motion, the motion is only in one direction (down), and the sure the picket fence can fall through the photogate without touching the photogate.

## Picket Fence Free Fall | Experiment #5 from Physics with Vernier

Position where the acceleration due to gravity is approximately 1/6 of the value on Earth. If you. There is an experiment been done based on the free fall theory to determine the acceleration due to gravity for two similar size balls with different mass.

Apparatus used is Pasco free fall adapter, Pasco photogate timer, ring stand, two 90 degrees5/5(6). There is an experiment been done based on the free fall theory to determine the acceleration due to gravity for two similar size balls with different mass.

## Introduction

Apparatus used is Pasco free fall adapter, Pasco photogate timer, ring stand, two 90 degrees5/5(4). To understand the relationship between gravitational forces and the mass of objects, the changes in speed and direction of objects, and the distance between objects. This lesson helps students understand concepts related to how gravitational forces act on objects by exploring the motion of pendulums.

Scott Hildreth - Physics 4A - FreeFall Lab - Chabot College