A 3.0-kg block moves up a 40$\degree$ incline with constant speed under the action of a 26-N force acting up and parallel to the incline.What magnitude force must act up and parallel to the incline for the block to move down the incline at constant velocity?
A)14 N
B)12 N
C)16 N
D)18 N
E)25 N

Question

Quizplus · Accepted Answer

The Answer of A 3.0-kg block moves up a 40$\degree$ incline with constant speed under the action of a 26-N force acting up and parallel to the incline.What magnitude force must act up and parallel to the incline for the block to move down the incline at constant velocity?
A)14 N
B)12 N
C)16 N
D)18 N
E)25 N

A 30-Kg Block Moves Up a 40 °\degree° Incline with Constant Speed Under the Action of a 26-N

A 30-Kg Block Moves Up a 40 $\degree$ Incline with Constant Speed Under the Action of a 26-N