Jump to a New ChapterIntroduction to the SAT IIIntroduction to SAT II PhysicsStrategies for Taking SAT II PhysicsVectorsKinematicsDynamicsWork, Energy, and PowerSpecial Problems in MechanicsLinear MomentumRotational MotionCircular Motion and GravitationThermal PhysicsElectric Forces, Fields, and PotentialDC CircuitsMagnetismElectromagnetic InductionWavesOpticsModern PhysicsPhysics GlossaryPractice Tests Are Your Best Friends
 4.1 What’s a Vector? 4.2 Vector Addition 4.3 Vector Subtraction 4.4 Multiplication by a Scalar 4.5 Vector Components

 4.6 Vector Multiplication 4.7 Key Formulas 4.8 Practice Questions 4.9 Explanations
Practice Questions
 1. Which of the following vectors best represents the vector A + B? (A) (B) (C) (D) (E)
 2. Vector A has a magnitude of 5 in the leftward direction and B has a magnitude of 2 in the rightward direction. What is the value of 2A – B? (A) 12 in the leftward direction (B) 10 in the leftward direction (C) 8 in the leftward direction (D) 8 in the rightward direction (E) 12 in the rightward direction
 3. When the tail of vector A is set at the origin of the xy-axis, the tip of A reaches (3,6). When the tail of vector B is set at the origin of the xy-axis, the tip of B reaches (–1,5). If the tail of vector A – B were set at the origin of the xy-axis, what point would its tip touch? (A) (2,11) (B) (2,1) (C) (–2,7) (D) (4,1) (E) (4,11)
 4. A and B are vectors, and is the angle between them. What can you do to maximize A Â· B? I. Maximize the magnitude of A  II. Maximize the magnitude of B III. Set to 90Âº (A) None of the above (B) I only (C) III only (D) I and II only (E) I, II, and III
 5. Which of the following statements is NOT true about ? (A) It is a vector that points into the page (B) It has a magnitude that is less than or equal to 12 (C) It has no component in the plane of the page (D) The angle it makes with B is less than the angle it makes with A (E) It is the same as –B A
 Jump to a New ChapterIntroduction to the SAT IIIntroduction to SAT II PhysicsStrategies for Taking SAT II PhysicsVectorsKinematicsDynamicsWork, Energy, and PowerSpecial Problems in MechanicsLinear MomentumRotational MotionCircular Motion and GravitationThermal PhysicsElectric Forces, Fields, and PotentialDC CircuitsMagnetismElectromagnetic InductionWavesOpticsModern PhysicsPhysics GlossaryPractice Tests Are Your Best Friends
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