Question

A "8" grams box is pushed with a force of 100 N for 1m whereas opposing force is 10 N. A) Find the net work done on the box. B) Find the total work done by considering work done by each force. "

Answer 1

Answer:

A)   Wn = 90J

B)   W1 = 100J

     W2 = 10J

Explanation:

A) The net work done on the box is calculated by using the following formula:

$W_n=(F_1-F_2)d$     (1)

F1 = 100N

F2 = 10N

d: distance on which the box is moved = 1m

You replace the values of the parameters in the equation (1):

$W_n=(100N-10N)(1m)=90J$

The net work on the box is 90J

B) The total work done by each force is:

$W_1=F_1d=(100N)(1m)=100J\\\\W_2=F_2d=(10N)(1m)=10J$

The first box does a work of 100J and the second force does a force of 10J