Determine the quantity of work done when a crane lifts a 100-n block from 2 m above the ground to 6 m above the ground.
a.
100 j
b.
200 j
c.
400 j
d.
600 j

Explanation:

In physics, work is defined as

Where is the word done, is the force that move the object and is the change of the position of the object.

In this case, we have

, remember that the difference refers to the actual subtraction between the final point and the initial point of the object.

Replacing these values, we have

Therefore, the right answer is C. The work done is 400 Joules

i believe it is b. what was the cause of the big bang

hope this !