Question

Gabriella weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds.



How much work does Gabriella do when she climbs the stairs?



A.
270 J


B.
150 J


C.
1350 J


D.
2250 J

Answer 1

I think it's C?

Answer 2

@wio

Answer 3

How did you get C?

Answer 4

um I seriously don't really know any of this... :P
please help me.....

Answer 5

Do you know how to calculate work?

Answer 6

um are you asking about a formula?

Answer 7

@wio

Answer 8

Yea...\[
Word = Force \times Distance
\]

Answer 9

so that means that I have to multiply 450N by 3 am I correct so far?

Answer 10

Yes.

Answer 11

so then the answer is 1350 J ?
@wio

Answer 12

yes

Answer 13

thanks :)