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erastovalidia [21]
3 years ago
13

What are the Disadvantages of Friction?

Physics
1 answer:
d1i1m1o1n [39]3 years ago
8 0

Answer:

1 friction produces heat which damages the moving part of a machine

2 a lot of energy is wasted In overcoming the friction before an object starts moving

3 friction produces wear and tear on the contacting surfaces

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Sort the items based on whether they are simple machines or compound machines.
Tom [10]

Answer:

Simple machine: pair of tongs, seesaw and wheelbarrow

Compound machine: sewing machine, fishing rod and reel and crane.

Explanation:

Simple machine is the simplest device to use mechanical advantages. It has simplest mechanism to multiply the magnitude of force.

So, pair of tongs, seesaw and wheelbarrow are the example of simple machine because their mechanism is simplest.

Compound machine is a device that is made up of more than one simple machine.

so, sewing machine, fishing rod and reel and crane are example of compound machine because these devices shows more than one machine in it.

Thus, classification is as follows:

Simple machine: pair of tongs, seesaw and wheelbarrow

Compound machine: sewing machine, fishing rod and reel and crane.

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Explanation:

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1.How long dose long term alcohol abuse affect the liver ?
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