Question

1.
Define the terms (a) static friction (b) sliding friction.
2. tama Gal rolling friction (h) fluid friction
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Answer 1

1.a. statistic friction:it is a friction that exists between a stationery object and the surface which it is resting.

1.b.sliding friction : this refers to the resistance created by two objects sliding against each other this can also be called kinetic friction

1.c. fluid friction:it is the force that resists motion either within the fluid itself or of another medium moving through the fluid

1.d.rolling friction:it is the force resisting the motion when a body such as a ball rolls on a surface

Answer 2

Answer:

Explanation: Hi friend this is your answer

1.STATIC FRICTION

Static friction acts on objects when they are resting on a surface. For example, if you are hiking in the woods, there is static friction between your shoes and the trail each time you put down your foot.Without this static friction, your feet would slip out from under you, making it difficult to walk. that’s exactly what happens if you try to walk on ice. That’s because ice is very slippery and offers very little friction

2.SLIDING FRICTION

Sliding friction is friction that acts on objects when they are sliding over a surface. Sliding friction is weaker than static friction. That’s why it’s easier to slide a piece of furniture over the floor after you start it moving than it is to get it moving in the first place. Sliding friction can be useful. For example, you use sliding friction when you write with a pencil. The pencil “lead” slides easily over the paper, but there’s just enough friction between the pencil and paper to leave a mark.

3.ROLLING FRICTION

Rolling friction is friction that acts on objects when they are rolling over a surface. Rolling friction is much weaker than sliding friction or static friction. This explains why most forms of ground transportation use wheels, including bicycles, cars, 4-wheelers, roller skates, scooters, and skateboards. Ball bearings are another use of rolling friction.

4.FLUID FRICTION

Fluid friction is friction that acts on objects that are moving through a fluid. A fluid is a substance that can flow and take the shape of its container. Fluids include liquids and gases. If you’ve ever tried to push your open hand through the water in a tub or pool, then you’ve experienced fluid friction. You can feel the resistance of the water against your hand.

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