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Q1.1 What are the x– and y–components of the vector E? 1. Ex = E cos b, Ey = E sin b 2. Ex = E sin b, Ey = E cos b 3. Ex = –E cos b, Ey = –E sin b 4. Ex = –E sin b, Ey = –E cos b 5. Ex = –E cos b, Ey = E sin b

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A1.1 What are the x– and y–components of the vector E? 1. Ex = E cos b, Ey = E sin b 2. Ex = E sin b, Ey = E cos b 3. Ex = –E cos b, Ey = –E sin b 4. Ex = –E sin b, Ey = –E cos b 5. Ex = –E cos b, Ey = E sin b

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Q1.2 Consider the two vectors shown. The vector A + B has 1. a positive x–component and a positive y–component 2. a positive x–component and a negative y–component 3. a negative x–component and a positive y–component 4. a negative x–component and a negative y–component 5. a zero x–component and a negative y–component

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A1.2 Consider the two vectors shown. The vector A + B has 1. a positive x–component and a positive y–component 2. a positive x–component and a negative y–component 3. a negative x–component and a positive y–component 4. a negative x–component and a negative y–component 5. a zero x–component and a negative y–component

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Q1.3 Consider the two vectors shown. The vector A – B has 1. a positive x–component and a positive y–component 2. a positive x–component and a negative y–component 3. a negative x–component and a positive y–component 4. a negative x–component and a negative y–component 5. a zero x–component and a negative y–component

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A1.3 Consider the two vectors shown. The vector A – B has 1. a positive x–component and a positive y–component 2. a positive x–component and a negative y–component 3. a negative x–component and a positive y–component 4. a negative x–component and a negative y–component 5. a zero x–component and a negative y–component

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Q1.4 Which of the following statements about the sum of two vectors, A + B, is correct for any two vectors A and B ? 1. the magnitude of A + B is A + B 2. the magnitude of A + B is A – B 3. the magnitude of A + B is greater than or equal to |A – B| 4. the magnitude of A + B is greater than the magnitude of A – B 5. the magnitude of A + B is (A2 + B2)1/2

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A1.4 Which of the following statements about the sum of two vectors, A + B, is correct for any two vectors A and B ? 1. the magnitude of A + B is A + B 2. the magnitude of A + B is A – B 3. the magnitude of A + B is greater than or equal to |A – B| 4. the magnitude of A + B is greater than the magnitude of A – B 5. the magnitude of A + B is (A2 + B2)1/2

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Q1.5 Which of the following statements about the difference of two vectors, A – B, is correct for any two vectors A and B ? 1. the magnitude of A – B is A – B 2. the magnitude of A – B is A + B 3. the magnitude of A – B is greater than or equal to |A – B| 4. the magnitude of A – B is less than the magnitude of A + B 5. the magnitude of A – B is (A2 + B2)1/2

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A1.5 Which of the following statements about the difference of two vectors, A – B, is correct for any two vectors A and B ? 1. the magnitude of A – B is A – B 2. the magnitude of A – B is A + B 3. the magnitude of A – B is greater than or equal to |A – B| 4. the magnitude of A – B is less than the magnitude of A + B 5. the magnitude of A – B is (A2 + B2)1/2

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Q1.6 Consider the vectors A and B as shown. The components of the vector C = A + B are 1. Cx = –24 m, Cy = +12 m 2. Cx = +24 m, Cy = +12 m 3. Cx = –24 m, Cy = +52 m 4. Cx = +24 m, Cy = +52 m 5. Cx = +24 m, Cy = –52 m

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A1.6 Consider the vectors A and B as shown. The components of the vector C = A + B are 1. Cx = –24 m, Cy = +12 m 2. Cx = +24 m, Cy = +12 m 3. Cx = –24 m, Cy = +52 m 4. Cx = +24 m, Cy = +52 m 5. Cx = +24 m, Cy = –52 m

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Q1.7 What is A • B, the scalar product (also called dot product) of these two vectors? m2 2. –640 m2 m2 4. –480 m2 5. zero

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A1.7 What is A • B, the scalar product (also called dot product) of these two vectors? m2 2. –640 m2 m2 4. –480 m2 5. zero

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Q1.8 What are the magnitude and direction of A ´B, the vector product (also called cross product) of these two vectors? m2 , positive z–direction m2 , negative z–direction m2 , positive z–direction m2 , negative z–direction 5. zero, hence no direction

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A1.8 What are the magnitude and direction of A ´B, the vector product (also called cross product) of these two vectors? m2 , positive z–direction m2 , negative z–direction m2 , positive z–direction m2 , negative z–direction 5. zero, hence no direction

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POSITION VECTORS & FORCE VECTORS

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