Question

Please help!

An object with a mass of 78 kilograms is lifted through a height of 6 meters. How much work is done?

A. 47.75 J
B. 4,586.4 J
C. 764.4 J

Answer 1

Is the equation W=Fs

Answer 2

@mathstudent55 @agent0smith @slenderman

Answer 3

Yes, where the force is the weight of the object.

Answer 4

so 78*6=468

Answer 5

but thats not the answer..... So how do I find the answer

Answer 6

Weight is not the same thing as mass. You did a question about weight only minutes ago.

Answer 7

You need to consider the force of gravity here to find the weight of the object.
W=ma

Answer 8

So m= 78
but what is a

Answer 9

78*9.8=764.4

Answer 10

So then answer is C @agent0smith @sweetburger