Statics-Self Assessment Tutorial

Statics-Self Assessment Tutorial - STATICS • Force...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: STATICS • Force Vectors • (sec 2.1 - 2.3) Parallelogram law 1) Two forces are to be added to determine the resultant force F r . Compute the angle θ θ = ? One answer only. 120 140 160 None of the above 2) Two forces are to be added to determine the resultant force F r . Compute the angle θ θ = ? One answer only. 30 45 60 None of the above 3) To determine F r shown in the figure, do you use: One answer only. Cosine Law Sine Law Pythagorean theorem None of the above 4) To determine F r shown in the figure, do you use: One answer only. Cosine Law Sine Law Pythagorean theorem None of the above 5) To determine F r shown in the figure, do you use: One answer only. Cosine Law Sine Law Pythagorean theorem None of the above • (sec 2.4) Addition of a system of coplanar forces 1) Select the answer that expresses F as a Cartesian Vector. F = ? One answer only. 100j N 100i N -100j N -100i N None of the above 2) Select the answer that expresses F as a Cartesian Vector. F = ? One answer only. 100j N 100i N -100j N -100i N None of the above 3) Select the answer that expresses F as a Cartesian Vector. F = ? One answer only. (-70.7i + 70.7j) N (-70.7i - 70.7j) N (70.7i + 70.7j) N (100i + 100j) N None of the above 4) Select the answer that expresses F as a Cartesian Vector. F = ? One answer only. (60i + 80j) N (80i - 60j) N (-80i + 60j) N (-80i - 60j) N None of the above 5) Calculate the magnitude of F r . F r = ? One answer only. 250 N -500 N 500 N None of the above 6) cont....From qu5, select the equation which is used to determine the direction θ measured counterclockwise from the +x axis. θ = ? One answer only. arctan (-300/400) arctan (400/300) arctan (300/400) None of the above • (sec 2.5 - 2.6) Addition of cartesian vectors 1) Calculate the magnitude of the force. F = (30i - 40j) N. F = ? One answer only. 25 N 40 N 50 N None of the above 2) Calculate the magnitude of the force. F = (10i + 20j - 20k) N. F = ? One answer only. 25 N 30 N 40 N None of the above 3) If F = (40i - 30j) N, select the answer that specifies the cos β . cos β = ? One answer only. -0.6 -0.8 0.6 None of the above 4) If F = (-100i + 200j - 200k) N, select the answer that specifies the cos β . cos β = ? One answer only. -0.667 0.667 0.333 -0.333 None of the above 5) Select the answer that gives the y component for the 100-N force. F y = ? One answer only. 100sin45sin60 100sin45cos60 100cos45cos60 100cos45/sin60 None of the above 6) Select the answer that gives the y component for the 100-N force. F y = ? One answer only. 100sin60 (4/5) 100sin60 (3/5) 100cos60 (3/5) 100cos60 (4/5) None of the above • (sec 2.7 - 2.8) Cartesian position and force vectors 1) Select the answer that represents the position vector r....
View Full Document

Page1 / 55

Statics-Self Assessment Tutorial - STATICS • Force...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online