The force needed to lift a 3000 n truck using a jack with a ma of 15

As we know that mechanical advantage is defined as

now here we have

also we have

now we will have

now we will have

so our applied force will be 200 N

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

c. 7/3

step-by-step explanation:

a rational number is like pi- it is a repeating decimal.

a. is -1.8

b. 2.236068

c. 2.3333333333333333333

d.   is 3

i hope that ! =)