What is the approximate sum of the following two vectors: magnitude 23 at 62° and magnitude 17 at 10°?
A. magnitude 4 at 72°
B. magnitude 5 at 52°
C. magnitude 27 at 52°
D. magnitude 36 at 40°
Answer: D
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Two forces F1 and F2 are applied as shown in Figure 12.21. The resultant R has a magnitude of 850 lbf and acts along the positive x-axis. Determine the magnitudes of F1 and F2.
 FIGURE 1.png)
____ can be used to blow off parts, to apply paint with a spray gun, to power hand tools, or to power an air jack for lifting vehicles.
A. Pressure switches B. Blowby C. Compressed air D. Sludge
A steel bar with modulus of elasticity of 200 Gpa and diameter of 10mm is loaded with an axial load of 50kN. If a strain gauge of gauge factor 2.5 and resistance 120 ohms is mounted on the bar in an axial direction, find the change in resistance.
What will be an ideal response?
When cleaning a battery, mix a solution of ____.
A. baking soda and water B. cream of tartar and water C. baking powder and water D. sulfuric acid and water