Friction Force: Wood Block Essay

Friction Lab Formal Report Tayado Langley 12/10/14 Period 1 Abstract This experiment was created in order to enhance our understanding about the causes of friction. This was achieved by testing the friction on various surfaces. The first thing I did was gather the materials ( a bottle , some blocks of wood , string and surface materials.) Then I attached the string to the block of wood and the bottle. We then began to add water in the bottle until it began to move. Our results

relation between wood and aluminum surfaces and their friction. The coefficient of static and kinetic friction can be derived from the experiments with the use of a horizontal Atwood’s machine and a Super Pulley. The static friction was tested by setting up an equilibrium with the hanging mass and the frictional force. Three tests were conducted with increasing additional mass on the friction block. An unbalanced force was required to test for the coefficient of kinetic friction. This is possible

relationships between the forces acting on a physical body and the motion of the body. They were first compiled by Sir Isaac Newton in his work Philosophiae Naturalis Principia Mathematica, published on July 5th, 1687. These laws of motion are composed of three laws: Inertia, F=ma, and equal and opposite forces. These laws explain and give reasons for the motion of all objects. In everyday life friction is all around us. In this experiment the effects of friction will be studied, and friction is the resistance

College Physical Science Practical Investigation: Friction Completed by James Jenkinson Grade 11I Task completed on the 11th of May 2014 Table of Contents 1. Research Proposal Page: 1.1) Aim 3 1.2) Hypothesis 3 2. Scientific Investigative Report 2.1) Aim 3 2.2) Apparatus 3 2.3) Calculating Coefficients of friction 4 2.4) Calculations of different forces that will affect friction 4 2.5) Variables 5 2.6) Method 6 2.7) Results

coefficient of static friction and the coefficient of kinetic friction for a block of wood, and how do these coefficients compare with each other? From the ‘Results’ section above, as the roughness of a surface increases, the coefficients of friction for the block of wood increases. This can be concluded as the surfaces used in order of lowest roughness to highest roughness were the white surface, wooden surface and lastly the sandpaper surface had coefficients of friction increasing in the same

This lab was a about surface area and friction. How an object could be pulled along different surface areas and then their might be different outcomes. The labs will also explain surface area with frictional force. Some surfaces could be much rougher than others. Bar graphs were also made to compare the differences between the different forces. Scales were used to see how much force in newtons it would take for the block to be moved across the surface. The surfaces that were being tested were tabletop

showed that the amount of static frictional force resisting the motion of the wooden block was substantially greater when the object was placed on a rough surface, as opposed to when it was placed on a smooth surface. This is understood through the numerical data compiled in Table 7.1, which indicates that surface A (tiles) - considered to be the smoothest surface in the experiment - only had a friction coefficient value of 0.2401, whilst surface C (wood) - considered to be the roughest surface -

Studio 8 Discussion The coefficient of static friction between brass and different materials were experimentally determined by observing slip angels. A brass block was placed at the top of different ramps made of rubber, wood, sandpaper, and Teflon. Once the angle of the ramp was raised high enough the block began to slip, the angle at this point was measured. Static friction reaches a maximum at the slip angle, thus allowing the block to slip. Vector components, Newton’s second law, and the equation

and kinetic friction was studied. The static and kinetic frictional coefficients were found for a block while sliding down a track through experimental trials. Theory: In most experiments with tracks there is usually a cart involved to discount the frictional force. In this experiment a block is used because the surface area of the block has a larger frictional force with the surface of the track that can be measured. Fictional force is the force that resists the sliding of the block down the plane

Friction is the resistance to motion of one object moving relative to another and it is created when two surfaces move or attempt to move across each other. Friction is a non-conservative force, which is defined as a force that does not store energy. The fact that friction is a non-conservative force means that the kinetic energy involved in friction is transferred into thermal energy (heat). One of the method is using a spring balance which was used in the actual lab and is done by pulling a