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Homework Help: Help with friction physics

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❶We also guarantee exceptional quality and uniqueness of each piece of writing, so that your teacher will be impressed with how brilliant you are. The rougher the surface, the more friction is produced.

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What are friction and resistance?
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The expression for the coefficient of kinetic friction is, Here, is the kinetic friction force, is the coefficient of kinetic friction and is the normal force acting on the object. Thus, the coefficient of friction between the two surfaces can be defined as the ratio of the frictional force between the object and the surface to the normal force action on the object. The coefficient of kinetic friction has no unit as the coefficient of kinetic friction is the ratio of two forces.

When the coefficient of friction value is high, the stopping distance of the moving object will become less. On the other hand, if the coefficient of friction value is low, the stopping distance of the moving object will become high. Videos related to Physics. Need more help understanding coefficient of kinetic friction?

A Input an expression for the The capacitors are disconnected from the battery and from each other. They are then connected positive plate to negativ How much excess charge must be placed on a copper sphere Express your answer with the appropriate units. What is the potentia The average television set is said to be on 6 hours a day. Calculate the yearly cost of electricity, in billions of dollars, required to operate million TVs, assuming their power consumption averages W and th The electric field at the surface of a charged, solid, copper sphere with radius 0.

What is the potential at the center of the sphere, if we take the poten You have a long thin bar of iron, 2. You are helping your friend move a new refrigerator into his kitchen. Walls-of-text are almost impossible to edit with any effectiveness.

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Keep in mind that we do not and will not have any sort of vetting procedure for responders. Accept answers at your own risk. We use automoderator for a few things. It may delete a post erroneously. We ban all bots. Could someone help me figure out which formulas are to be used here? Here is the prompt:. Unfortunately, when the crate reaches a point The crate immediately accelerates toward the ground, dragging the hapless crewman across the ice and toward the edge of the cliff.

If we assume the ice is perfectly slick that is, no friction between the crewman and the ice once he slips and falls down , 1 at what speed will the crate hit the ground? Assume also that the rope is long enough to allow the crate to hit the ground before the crewman slides over the side of the cliff. Assume no air friction. All I need to know is which formulas I should use.

I must have forgotten what that stands for. The rest seems to be pretty straightforward. My experience tells me schools repeat the hell out of this mixture of concepts, so perfect them. To be perfectly honest, no. I double checked my calculations about 6 times because I expected the velocity of the crate 5. PM me if you need any concept help.

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Also useful for KS3. carnified friction homework help thanks to everything piledriving saick.

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Friction Example Problem – Physics Homework Help 3 This entry was posted on July 24, by Todd Helmenstine Friction is the resistance force generated between two bodies as they move across each other.

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Friction Physics Homework Help. You can get professional assignment help at our site gc-mcpe.ml Any deadline, any level! The force of friction between two bodies depends on the magnitude of the perpendicular forces of the surfaces in contact. This perpendicular force is known as the normal force .

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Friction is a force that acts between two objects that are in contact with one another. It slows or stops movement between the two surfaces that are touching. Come here for homework help in most any field. We will not do it for you, but we can give you hints. Our rules are designed to help you get a .