Question 5 i Chrome File Edit View History Bookmarks People Window Help . // e c

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Question 5

i Chrome File Edit View History Bookmarks People Window Help . // e chegg Study l Guided SolutioD PortalGuard Single Sign-On × Y C, SI #1 xSIProblems.pages xSIProblems.pages C file://usersjessicagonzalez/Downloads/SI 1.pages%20(1).pdf Physics 10S SI Problem Sets GCC SI # 1: Vectors 1. Add the following vectors, A+B+C+D+E A:10.30 B: 15, 90° C: 25, 135 D:40, 217 E: 32. -60 2. In the above problem, calculate: A+B-C+D-E 3. In problem 1, what vector must be added to make the final sum equal to zero? 4. Calculate the sum of cach pair of vectors shown bclow: 30 o- 30 8 5. What length restrictions are required for three vectors to add to zero? 6. a. Can two vectors of different lengths add up to 0? b. Can two perpendicular vectors add up to 0? c. Under what conditions will two vectors add up to 0? 7. A block on a table is subject to 4 forces that add up to zero. If F2, F3, and F4 are 8, 4, and 10 N respectively, what is the magnitude and direction of F1 8. a. Can you add a vector and a scalar? What do you call the sum? b. Can you multiply a vector and a scalar? Is the product a vector or a scalar? Cloud Password 8 Please enter your password for

Explanation / Answer

5. The length restriction required for the three vectors to add to zero is that total length should be zero.

Let A , B and C are three vectors , and if sum of these vectors is zero then

A + B + C = 0

A + B = - C

Mean to say that magnitude of third vector should be equal to the sum of magnitude of other two vectors but opposite in direction.

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