The forces exerted on an object are shown. 5N
Object
F
Which of the following happens when F is less than 5 N?
The object moves up.
The object moves down.
Balanced forces keep the object stationary.
Balanced forces keep the object's speed constant.

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

b. a lightning bug, plug of grass, and a worm

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.