Question

How does using a ramp to load boxes into a truck make work easier?

A.Using the ramp increases the amount of force needed to move the boxes, but the boxes must be moved over a shorter distance.

B.Using the ramp increases the amount of force needed to move the boxes, but the boxes must be moved over a longer distance.

C.Using the ramp decreases the amount of force needed to move the boxes, but the boxes must be moved over a shorter distance.

D.Using the ramp decreases the amount of force needed to move the boxes, but the boxes must be moved over a longer distance.

Answer 1

@hoblos @Saeeddiscover @bagajr

Answer 2

I'm not sure about this, but i think it is D

Answer 3

thats what i was thinking too

Answer 4

Yeah I think it's D because you only need to counteract one component of the weight vector (the other one goes into the ramp) so the force is less, but you have to move it along the hypotenuse of a triangle which is the longest side so the distance is greater.

Answer 5

d