Friction can be defined as a force that resists the relative motion of two objects when there surface comes in contact. Thus, it prevents two surface from easily sliding over or slipping across one another. Also, friction usually reduces the efficiency and mechanical advantage of machines but can be reduced through lubrication.

Generally, there are four (4) main types of friction and these includes;

I. Static friction.

II. Rolling friction.

III. Sliding friction.

IV. Fluid friction.

Fluid friction can be defined as a type of friction that acts on objects moving through a liquid or gas. A fluid refers to any physical substance that can flow and is able to take the shape of a container.

6 0

3 years ago

What role does Jung Hwa play in her educational institution?

klio [65]

Jung Hwa is the one responsible for the role of looking after the day-to-day activities in the college of sciences.

Jung Hwa is an established South Korean singer. However, in the initial days of her career, he served as the one to look after the functions in college of sciences.

Hence, option B holds true regarding the role of Jung Hwa.

Learn more about Jung Hwa here:

brainly.com/question/7239138

#SPJ1

5 0

2 years ago