The polar coordinates of two vectors are; A = (10m, 240°), and B = (5m, 180'). a) Express each vector in unit vector notation.
b) Find, Ã = 2X + B in unit vector notation.
c) Find the magnitude of R.
d) Find the anticlockwise angle that vector R makes with +x axis.​

Gravity, from the center of mass of the box, extending downward normal force, from the floor under the box, extending upward, equal to gravity push force, acting at a point on the box, extending in the direction of motion friction, acting at any point on the box directly opposite the push, extending directly opposite to the motion

Aself-report inventory  is a type of  psychological test  used in personality assessment. this type of test is often presented in a paper-and-pencil format or may even be administered on a computer. a typical self-report inventory presents a number of questions or statements that may or may not describe certain qualities or characteristics of the test subject.

Umm, its not your fault, and its because some things in your brain.