What is the work done by a 20 newton force applied at an angle of 45.0° to move a box a horizontal distance of 40 meters?
A.
8.0 × 102 joules
B.
9.0 × 102 joules
C.
5.6 × 102 joules
D.
3.6 × 102 joules

Question

What is the work done by a 20 newton force applied at an angle of 45.0° to move a box a horizontal distance of 40 meters?
A. 
8.0 × 102 joules
B. 
9.0 × 102 joules
C. 
5.6 × 102 joules
D. 
3.6 × 102 joules

dude · Answer

To calculate the work needed use the equation

$W=F\times D\times cos(\theta)$

F= Force
D = Distance
$\theta$= Degree/angle

We know that the for is 20 N, distance is 40m, and the angle at which it was dropped was 45º

dude · Answer

Oh also, once you calculate it, convert the answer to scientific notation