We used a vernier caliper to obtain the diameter of those two and therefore, the radius. When adding all the numbers together, we found that the true radius(r) of the orbit was 0.139 m. To find our tension, we needed to find out how much weight we needed to pull the object towards away from the spring and on the tip of the pointer as shown below. The tension needed to pull the mass on the tip of the pointer 1.05 kg. In theory the force of acceleration needed to pull the mass to same exact spot should equal the force of tension multiplied by the force due to gravity. Using Newton’s second law, F=ma, we know that the
Theory Overview In theory, y=yo-1/2gt^2, where y equals height in the vertical direction.Time, symbolized by t, would be the amount of seconds it took an object to fall this vertical distance, and g being the gravitational force of 9.8 acting on it before it hit the ground.Time can be found more directly by using the equation=2yo/g . Y symbolizes the initial velocity in the y or vertical direction. If the ball were traveling along the x-axis or in a horizontal direction, the equation would be x=vt. In the horizontal direction, the force of gravity is not significant factor because the object is already on the ground. However, if an object were shot out of a gun for example , in a horizontal direction , then the force of gravity would directly act upon the object on its descent .
Oscillations of a Mass - Spring System Determination of “K” by the use of a Spring Oscillations System Experiment #3 for AMS320 involves a spring oscillating system to determine the value of “K”, the force value of an oscillating spring system. The spring is secured to a solid point and allowed to hang vertically below the solid stand. On the bottom of the spring is attached a steel ring with in which to attach a known amount of weight in (kg). The weights are added to the ring and the spring is pulled into a small amount of tension and released. The spring will then oscillate up and down and a stopwatch will be used to measure the amount of time it takes the weight and spring system to stretch and recoil ten times.
Megan Lankford 10/11/12 Physics Lab: The Ballistics Pendulum and Projectile Motion Introduction/Objective In this lab, our focus was to identify the initial velocity of a metal ball by firing it as a projectile and compare it with the velocity. Also, we had to determine the initial velocity of the ball fired into the ballistics pendulum and its relativity to the initial velocity in which the ball plus pendulum moves after firing. This lab demonstrates the principle of conservation of momentum and projectile motion and how they are relative to each other. Procedure 1 To being our experiment, we had to weigh the metal ball and pendulum to give us our mass and help us determine the before and after effects of the collision. After we had taken all of our measurements we had to decide which setting we were going to fire the ball at.
Cone experiment Aim: -The aim of this experiment is to find the velocity of a falling paper cone. To find the velocity you will need to find the time taken for the cone to fall, the set distances and the relationship these two factors. The rubber band was patented in England on March 17, 1845 by Stephen Perry. The majority of rubber bands are made from natural rubber, which is extracted from the latex of the rubber tree, due to its superior elasticity. Apparatus: - A4 paper - Scissors - Meter tape - Chronometer - Scotch tape Variables: Dependent variables: - Height from which the cone id released - Independent variables: - Time taken by the cone to fall - Constant variables: - Weight of the cone - Area of the cone - Wind in the room Method Step 1: take out the A4 paper, scissors and scotch tape.
Pendulum Aim: To investigate the time for 1 oscillation for different lengths of pendulum and different masses for the pendulum bobs Hypothesis: The time taken for oscillation is proportional to the lengths of the pendulums Apparatus: * A retort stand * Strings * Masses( big, medium and small balls) * Metre ruler * Stopwatch Procedure: 1. Fix the iron stand on the bench 2. Hang the mass on the end of strings and the iron stand 3. Measure the lengths of pendulum with the metre rule 4. Displace the masses to cause oscillation 5.
Description: In these series of experiments the apparatus we used was a spring gun that for the first experiment shot a steel ball freely which eventually struck the floor. For the second and third experiments the gun fired the steel ball into a pendulum. To measure the velocity of the steel ball, when it was launched freely, carbon paper and a 2-meter ruler were used to determine the distance it travelled and then kinematics were used to calculate the balls initial velocity. When the steel ball was launched into the pendulum the laws of conservation of energy and momentum were utilized to determine the balls initial velocity. Theory: 3 Kinematic Measurement of Speed In this experiment the steel ball was moving in two dimensions both horizontally and vertically.
Next, using the equations the total distance the ball would travel was found. After that, the students called over Mr. Neenan so that he could observe the firing of the projectile launcher. The projectile launcher was at the end of the table and the calculated distance was marked off on the floor by a target. The projectile launcher was then set up perfectly horizontal and fired. Part Two: This part of the lab was to hit Mr. Bill with the projectile as he was sitting on the floor.
Newton’s Second Law Lab Purpose: The purpose of this experiment was to determine the relationships between mass, force and acceleration as well as to prove Newton’s second law Hypothesis: It was hypothesized that there would be an inverse relationship between acceleration and mass; as the value of the mass increased the acceleration decreased. As well it is hypothesized that there would be a direct relationship between the net force and acceleration; as the net force increases the acceleration increases as well. Materials & Method: The materials that were required to do the experiment were a metre stick; its purpose was to measure the amount of string that is going to be used to drag the cart. Next equipment needed for the lab was a dynamic cart; it was going to be dragged by the string with a mass on the other end and will find relationships between these two. Also string (about 75cm) was needed in this experiment which would help pull the cart with the help of the masses that were used.
Making the left side our positive direction, and our right, the negative direction was essential in proving algebraically, the results of the experiment. When we say, “balance,” we mean to say we will try to set the net torque equal to zero, Σ Ʈ=0, we want all the forces on opposite sides to cancel out, giving us an even leveled meter stick. In our experiment, we had two different parts, each containing three slightly different trials. In the first half of the experiment, we hung the meter stick on the 50.0 cm mark and placed different weights on different ends. We moved around the weights until we ended up with what we saw to be an even leveled meter.