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Chapter 3: Q. 2 (page 77)

Trace the vectors in FIGURE EX3.2 onto your paper. Then find.

(a) A鈫�+B鈫�and (b) A鈫�-B鈫�localid="1649527132367" A鈫�-B鈫�.

Short Answer

Expert verified

(a) A鈫�+B鈫�=A1+B1,A2+B2.

(b) A鈫�-B鈫�=A1-B1,A2-B2

Step by step solution

01

Part (a) Step 1. Given information

The given figure is,

We need to determine,

A鈫�+B鈫�.

02

Step 2. Calculation

The given figure is,

By vector addition,

A鈫�+B鈫�=A1+B1,A2+B2.

03

Part (b) Step 1. Given information

The given figure is,

We need to determine,

A鈫�-B鈫�.

04

Step 2. Calculation

The given figure is,

By vector subtraction,

A鈫�-B鈫�=A1-B1,A2-B2

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Most popular questions from this chapter

Let B鈫�=5.0m,30鈭�counterclockwisefromvertical.Find the xandy-components of localid="1651138630094" B鈫�in each of the two coordinate systems shown in FIGURE EX3.18.

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