Friction is a force between objects that opposes the relative motion of the objects. In this project, you will be studying kinetic friction (also called sliding friction). When two objects are moving relative to one another, kinetic friction converts some of the kinetic energy of that motion into heat. Hypothesis: If the material used for shipping is made of rubber then, there will be an increase of friction because, the roughness of rubber allows it to stick better on the floor. Variables: Paragraph form IV: Material used DV: Amount of Friction Constants (controlled variables): size of room, freight ship, body of water, type/size of box Materials (bulleted list): 30 washers (15g) 6 cups in equal size 6 pieces of strings in a equal size 6 blocks equal in size Tape 6 markers 6 paper clips Procedure (step by step
In this investigation we are going to find out what effect mass/weight has on friction. Friction is mainly a contact force that always acts on a moving object in the opposite direction of motion. In this experiment, proof will be provided that if mass/weight is doubled, friction will also double as the greater the mass, the greater the friction force. This prediction on the formula: F=mxa From this formula, we can conclude that friction force and mass have a proportional relationship. In this experiment I will make sure that I keep everything the same except the weight of the block, as the weight is my variable.
It is well known that lubricating oil is a complex system, composed of different base oils and various oil additives. Additionally, base oil is an important component of lubricating oil, accounting for about 70%—99% of the oil formulation. Therefore, the property of lubricating oil mostly depends on the property of base oil. It is well known that mineral base oil is an important component of oil formulation, and the mineral base oil is divided into three categories which includes the paraffinic base oil, the intermediate base oil, and the naphthenic base oil. Naphthenic base oil is a rare resource in the world, which only makes up about 2% of crude oil, while the supply of paraffinic base oil is abundant.
Friction is a force that fights against any motion between two surfaces that are in contact with each other, and is a delaying force that resists motion in the opposite direction to the motion of that object. There are four categories of friction which are; Rolling, Sliding, Fluid, and Static Friction. Rolling Friction occurs when an object rolls over a surface, such as a soccer ball getting kicked across a grassy field, and eventually will slow down more quickly than a ball kicked across a smooth, hard surface since the rolling friction is far greater on the field. Or when bikes have thicker wheels that will lessen the speed of the bike since there is a greater wheel surface to create friction against the surface, slowing down the bike. Sliding
The graphite rod was inserted as anode into the ionic liquid (IL)/water solution, placed parallel to the Pt wire as counter-electrode with a separation of 1 cm and the ionic liquid urea choline chloride was mixed with water at 1:1 ratio. Using a DC power supply the potentials of 5 V were applied to the two electrodes. The exfoliation products were washed with water and surfactant until the pH became neutral and the products were separated by ﬁlter and ultra-centrifugation at 10,000 rmp at 25 ºC2. 2.2 Preparation of SRGO Synthesis of SRGO was carried out using the method described by He et al.24 and the process of SRGO production is shown in Fig. 1.
2.1.6 Interfacial tension. Interfacial tension is a force that holds together the surfaces of the water and оil phases. When an emulsifying agent is not present, the interfacial tension between oil and water is low. When interfacial tension is low water droplets coalesce easily upon contact. Hоwever, when emulsifying agents are present, they increase the interfacial tension and obstruct the coalescence of water drоplets.
Introduction: There are two (main) different types of friction: static friction and kinetic friction. Kinetic friction is the movement of an object as it slides on a surface due to applied force upon the resting object. Static friction is the friction between a motionless object and the surface on where the object is resting on. A force must be applied to make the object move; which will be done in my experiment. This experiment is to observe what angle presented will allow the mass to slide down the ramp.
Liquid is used to move objects as it is incompressible than per say air. As liquid is incompressible applying a force to one end of a hydraulic system transmits the force through the liquid to the other end.A hydraulic system is made up of a liquid-filled tube topped with two pistons. Applying a downward force on the closed system would cause the liquid to move against the opposite piston and due to liquid being incompressible the piston pushed upwards. The advantage of hydraulic tools is the concept of force multiplication. Force multiplication allows the force you apply to one piston to be multiplied, by multiplicative factor, to make a larger force acting on the second