Vectors Bellringer Review

What are the x- and y-components of Vector A (250 lbs at 37° counterclockwise from the positive x-axis)?

• Ax = 200 lbs, Ay = 150 lbs

• Ax = 170.2 lbs, Ay = 180.5 lbs

• Ax = 150.6 lbs, Ay = 199.8 lbs

• Ax = 180.5 lbs, Ay = 170.2 lbs

What are the x- and y-components of Vector B (141 lbs at 45° clockwise from the negative x-axis)?

• Bx = -100 lbs, By = 100 lbs

• Bx = 100 lbs, By = 100 lbs

• Bx = 100 lbs, By = -100 lbs

• Bx = 100 lbs, By = -100 lbs

What is the resultant vector's x-component (Rx) when adding Vectors A and B?

• Rx = 100 lbs

• Rx = 130 lbs

• Rx = 80 lbs

• Rx = 150 lbs

What is the magnitude of the resultant vector when adding Vectors A and B?

• 215 lbs

• 200 lbs

• 350 lbs

• 269 lbs

What is the direction of the resultant vector relative to the positive x-axis?

• 68°

• 31°

• 38°

• 72°