Question

types of friction please help ​

Answer 1

Should all train engines operated by coal be converted to electric engines?; 1) Yes, coal engines pollute the environment more than electric engines; 2) Yes, electric engines are more powerful and efficient; 3) No, we do not have enough electric power to cater to the need of domestic use; 4) No, we have enough coals to ...

Answer 2

Answer:

There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Static friction is strongest, followed by sliding friction, and then rolling friction, which is weakest. Fluid friction occurs in fluids, which are liquids or gases

Explanation:

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