The Effect of Weight on Distance Traveled
Aim
===
I am going to investigate how the weight of an object affects the
distance it can travel. I will use a margarine tub as my object to
carry out my investigation.
Knowledge
=========
From preliminary work and research on the Internet I have gained some
knowledge. This will help me carry out my experiment and understand
it.
Equations
---------
Work done (j) = force applied (N) x distance (m)
The previous equation also applies for Elastic Potential Energy.
Acceleration (m/s²) = force (N) mass (kg)
Forces
------
Friction = the force which resists movement between two surfaces that
are in contact.
Gravity = the force that pulls objects towards the Earth.
Air resistance = the force that acts in the opposite direction to the
motion when an object is moving through the air.
When an object is stationary or at a constant speed we know that the
forces acting on it are balanced. However, if an object changes
direction, shape or size or if it slows down or speeds up the forces
acting on it are unbalanced.
The bigger the force on an object the greater the work done.
Energy
Elastic Potential Energy = stored in an elastic object when work is
done on the object to change its shape.
Kinetic Energy = the energy an object has because of its movement. An
object has more kinetic energy the greater its mass and speed.
Prediction
==========
I predict that as the weight in the margarine tub is increased the
distance it will travel is decreased. I think that the elastic
potential energy will also decrease as the weight increases.
Diagram of apparatus
====================
Stool
Newton meter
Weights
Chalk
Margarine tub
Metre rule
Elastic band
Method
======
1. Set up the equipment as shown in the diagram on the floor.
The population of Bridgeport, CT in 2013 was 146,425 people. 56% of those speak English and 28% of those speak Spanish. 45.16% are Caucasian while 30.44% are African American. The average income per capita is $19,854 compared to the state of Connecticut’s average $35.681. Bridgeport’s income per person is 44.4% less than those of the state of Connecticut as a whole. The average household income is $41,047, compared to the state of Connecticut’s $67, 887. Bridgeport’s average income is 39.5% less than that of Connecticut as a whole. Twenty percent of the population’s household income per year is between $10,000 and $25,000. While eighteen percent is between $25,000 and $40,000 per year. The poverty level is Bridgeport is 169.8% greater than the Connecticut average. The unemployment rate as of July 2013 was 12.2% and in overall Connecticut it was 8.4%. The average household size is 2.7 people and the percentage of family households is 63.6%. For people over the age of 25 the educational attainment was for a high graduate 29,924 or 34% and for a Bachelor’s Degree or higher education were 13,497 or 15%. The age distribution for 0-4 was 57,191 or 6% and the ages from 5-17 years old were 169,833 or 19%. The total town school enrollment was 21,023. Families that were receiving temporary assistance is 3,412 and the population receiving food stamps is 37,425. There is a relationship between the demographics of a community and obesity. In today’s society, eating healthy may come with a price tag. These statistics indicate that there is a lot of poverty in Bridgeport which can lead to parents having to spend money on cheap, unhealthy food choices. This in turn can lead to childhood obesity. In addition, a large percentage of the communities ...
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