Friction Friction- types of and their effects on forces Definition: Friction- “the resistance that one surface or object encounters when moving over another” There are four different types of friction these are: static, sliding, rolling and fluid friction. The types of friction that occurs between solid surfaces is are static, rolling and sliding. Fluid friction on the other hand only occurs in liquids and gases Static friction: When moving an object resting on a surface it requires more force to
The objective of this lab is to determine the coefficients of static and kinetic friction between a block of wood and wooden table. It was hypothesized that the mass of the object would not impact the coefficient of friction. It was also hypothesized that the coefficient of static friction would be larger than the coefficient of kinetic friction. Introduction Friction is a force between two surfaces that provides traction to conduct most human activities. At a microscopic level, all surfaces
affect the force of friction through experiments. The objective was to understand how the coefficient of friction is derived from the normal force and force of friction and to determine if the area of contact between the surfaces produces different values for the forces of friction. Frictional forces are ones that oppose motion when two surfaces are found in contact with each other. Friction is a force acting parallel to two surfaces in contact. If the object is in motion, the friction force always acts
and kinetic friction. First, the maximum static friction force is attained through a system comprised of a mass hanging from a string nestled on a pulley and attached to a block and force sensor. Secondly, a block is moved at constant velocity to determine what force in the positive direction will match the force of kinetic friction in the opposite direction. Thirdly, data is collected from an accelerating block in order to calculate net force on the body, including the kinetic friction force. All
Introduction and Literature Review: Friction is a force which opposes the movement of an object due to two surfaces being in contact with each other. Friction is affected by surface material (roughness), the surface area in contact and the mass of the object. The following investigation is to prove that friction will increase with increasing texture/’roughness’ of the surface material. Surface texture and friction is dependent on the nature of the intermolecular forces present in the surfaces (R
facing the front. It would be much easier to hold your hand side on. The same as it would be much easier for the dragsters engine to push the narrow front wheels compared to large ones. Air resistance is a form of friction (namely fluid friction) a friction from the air, as we know friction is defined as a force that opposes movement. The formula used to determine aerodynamic drag is as follows: Drag = 0.5 * rho * Cd * v2 * S Aerodynamic drag is a function of the following: rho is the air density
Sliding Friction Between a Block and Surface Planning ======== In this investigation we are going to find out what effect weight has on sliding friction. Friction is the force that is between two objects that are in contact with each other. The force is always present even though people only think it is there when the object is moving. Leonardo da Vinci was one of the first people to experiment with the idea of friction. He came up with two types of friction; static friction, which
Friction Driving a car could be a scary thing if you don’t know how to handle different situations. You will have a very high risk of getting into an accident. Before getting into a car your should know how to handle it well, be aware of your surroundings and the conditions of your environment. Friction is the resistance to motion between two objects in contact with each other. When the resistance related to the tires on the car against the road, it is called traction. The traction points on your
He studied friction to discover that friction was the affect two surfaces had on each other. Charles August Coulomb (1736-1806) He continued Amontons studies to add to the second law of friction. F. Philip Bowden and David Tabor They investigated friction to discover that friction is related to the true area of contact surface. 1.2 Scientific Ideas Scientists see friction as being divided into five different sub groups: dry friction, fluid friction, lubricated friction, skin friction and internal
the moving object is going at, the friction between the surfaces and the air (or water) resistance and movement around the object. The stopping distance (or sd.) of an object is how far it travels before stopping. As an object moves forwards, it has kinetic energy (KE) pushing it. However, as it moves, it also creates friction. This changes the KE (kinetic energy) of the moving object into heat energy. This means that there is less KE and more friction. The forces become unbalanced as more
acceleration. • The torque was calculated as well as the product of the force to accelerate the flywheel and the radius of the axle. • Force to accelerate the flywheel was calculated by subtracting friction force and force to accelerate the mass from the force due to the earth gravity. • The friction force was calculated as the product of the mass that cause the hanger to travel vertically downward at constant speed and the earth gravity. • The force due to gravity was calculated as the product
those two variables are found, one will be about to find the applied force metal ball placed against the liquid to pass through. Then, the force of the metal ball free falling with no air resistance will be subtracted by the applied force to find the friction of the viscous liquids. Materials:
measured with a caliper. As m falls, its gravitational potential energy is transferred into translational kinetic energy of m, rotational kinetic energy of the flywheel and work done by friction. As the flywheel completes N further turns, its original rotational kinetic energy is transferred into friction loss. Assume the flywheel decelerates uniformly. Thus, the moment of inertia of the flywheel can be determined. Procedure ========= 1. The flywheel was set as shown with the axle
Whether jumping for the ball, or leaping for a slam dunk, the human body follows the same laws of projectile motion as do other objects. The sport that includes shooting, passing, running, and dribbling involves topics covered in physics such as force, friction, effects of air resistance, velocity, air pressure and energy. Basketball also involves factors such as projectile motion in making a basket, gravity and its effects on passing and dribbling, and Newton’s First and Third Law on passing and a number
ball should be at a different temperature each time it is dropped. § Once you have collected all your results draw a graph showing your results. Scientific Theory: Gravity made the ball come down when it was dropped. There was a little friction on the bounce surface as it was not smooth. Energy was lost ion the form of heat and sound energy. The squash ball did not bounce back to its drop height because energy was lost as heat and sound energy. [IMAGE] Drag [IMAGE] [IMAGE]
using projectile motion and rotational motion. when you hook a fish it will often use the drag from the current agenst you. Immagine draging a fish through a swift current. You deal with the tention of your line, and the friction of the line through the guides. you also deal with friction when you use a drag. Reels One of the key components of your fishing gear is the reel. http://www.eangler.com/eangler/proshop/reels.asp?shopby=D&dept_id=67&dept_image=reels.gif&pageheading=Reels&JEX=101025
frictional force. Force was then applied to the wooden block until it began to move, the point at which the block moves is the peak in Figure 1. This is the point at which there was enough force applied to the block to overcome the maximum static friction force. The graph then begins to decrease because once a force is applied to the object that is greater than the maximum frictional force, not as much force is needed to continue to pull
dependent on the number of dogs, the quality of the dogs, and how well the dogs have been trained, but it also can depend on friction and inertia. The lager mass an object has the the more weight it has and the more inertia it has. Weight effects acceleration by increasing friction. Friction is f = µN where µ is the coefficient of friction, N is the normal force, and f is friction. The normal force is equal to mass times gravity assuming no other downward forces are applied. Therefore the more weight
to face the toughest conditions in any climate, even though it's use is mainly during the winter. In general, a snowboard is composed of several layers to attain a durable, yet light structure. Making the surfaces of a snowboard with a minimal friction coefficient is essential in the snowboard manufacturing industry. Like its various, eye-catching graphic designs, each and every snowboard has a unique layer structure. The two most basic yet important layers of a snowboard are the core (4) and
The Physics of Skiing I have been skiing for about five years and I find it to be one of the most fun and challenging sports there is. A lot of the reason it is so challenging is because of the laws of physics such as gravity and friction. In this essay I will discuss how physics relates to skiing and how this physics makes skiing so fun and challenging. I will also discuss how things like wax and the shape and width of your skis can affect these laws of physics and enhance your skiing. There