Yes. Work = F * change in distance; and change in distance can be negative (i.e. moving from far to close, d2 - d1 where d2 < d1)
Yes. Good work.
no it doesnt. two negative numbers equal a negative number. two postivie numbers equal a positive number. one negative and one positive number equal a negative number.
A negative number TIMES a positive number will equal a negative number. A negative number DIVIDED BY a positive number (or vice versa) will equal a negative number. With addition and subtraction, it all depends on what the numbers are.
negative.
negative number subtracted FROM a negative number will be negative
Always.
it is negative number
A negative number.
negative number
A negative number.
Negative.
Negative.