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Physics M 1- M2
| Question | Answer |
|---|---|
| Which of the following vectors most likely points at an angle of inclination of 450? | A vector pointing towards the north-east direction. |
| Which of the following is a vector quantity? | tension force |
| On what quadrant is the vector 3i - 15j located? | IV |
| Which of the following vectors has a magnitude of 1? | <0,1,0> |
| Suppose that B = -3i + j - 2k. What is the magnitude of the vector A? | sqrt(14) |
| What is the y-component of the vector -8i + 2j – 3k? | 2 |
| Find the unit vector in the direction of <1,0,0>. | <1,0,0> |
| What is the resultant vector of two vectors where one has a magnitude of 5 cm pointing 600 N of E and the other has a magnitude of 3 cm pointing 300 S of W? | (-0.10i + 2.83j) cm |
| What is the equilibrant vector if you add all the vectors A, B, and C? | 9i – j + 3k |
| Cosmo, initially at rest, walked 12 m to the left and went to 12 m to the right of his initial position. Which of the following is true about Cosmo’s journey? | His final position is 12 m to the right of his initial position. |
| The dot product of <5,-5,5> and <8,-8,8> is ___________. | 120 |
| What is the angle between two vectors <-9, 12, 1> and <-14, 14, 7>? | 18 deg |
| What is the angle between two vectors <1,1,1> and <-5, -5, -5>? | 180 deg |
| What is the cross product of two vectors with -3600 | 0 |
| What is the cross product of two vectors with 3600 angle in between them? | 0 |
| What is the cross product of two vectors with 00 | 0 |
| What is the y-component of the vector B=-i+3k? | 0 |
| What is the x-component of the vector B=-i+3k? | -1 |
| What is the magnitude of the vector <3,2,-5>? | 6.16 |
| Which of following vector most likely points at an angle of inclination of 73o? | A vector pointing towards to the north-east direction. |
| How many components are there in A=3i-2k+j? | 3 |
| Two vectors are equal if they are in the same direction only. | False For two vectors to be considered equal, they must satisfy two specific conditions simultaneously: - They must have the same magnitude (length). - They must have the same direction. |
| What is the z-component of the vector B=-i+3k? | 3 |
| Which of the following is a vector quantity? | weight |
| How many components does a vector in 1D space have? | 1 |
| On what axis is the unit vector <0,0,1> along? | z-axis |
| On what axis is the unit vector <0,1,0> along? | y-axis |
| What is the vector sum of <1,2,3> and <-1,-2,-3>? | 0 |
| What is the cross product of two vectors with 7200 angle in between them? | 0 |
| What is the cross product of j and k? | i |
| What is the cross product of two unit vectors where one is along the positive x-axis and the other is along the positive y-axis? | <0, 0, 1> |
| What is the cross product of two vectors with 180 angle in between them? | 0 |
| Which of the following is a scalar quantity? | Energy |
| Resistance is a vector quantity. | False |
| What is the magnitude of a unit vector? | 1 |
| Which of the following trigonometric function is involved in cross product? | sine |
| Which of the following is a scalar quantity? | Temperature |
| Which of the following vector most likely points at an angle of inclination of 45? | <2,2> |
| Where 'x' is the length of the vector and 'Y' is the angle it makes with the x-axis, what is the length of its component along the x-axis? | xcosY |
| On what quadrant is the vector 3i + 15j located? | I |
| The vector <0,0,1> is a unit vector. | True A unit vector has a magnitude of exactly 1. The magnitude of <0, 0, 1> is calculated as: |
| What is the unit vector representation of the vector <4,5>? | <4/sqrt(41), 5/sqrt(41)> |
| Find the equilibrant vector of the vectors given below. A = <-3,0,6> B = <8,12,1> | <-5,-12,-7> |
| Find the equilibrant vector of the vectors given below. A = <5,5,5> B = <5,5,5> | <-10,-10,-10> |
| What is the cross product of two unit vectors where one is along the positive x-axis and the other is along the positive z-axis, respectively? | <0, -1, 0> i=⟨1,0,0⟩k=⟨0,0,1⟩ |
| Which of the following is true about vectors? | A vector can be represented by matrices. |
| On what plane is the vector <1,0,0> located? | along the x-axis |
| Work is a vector quantity. | False |
| What is the x-component of the vector -8i + 2j – 3k? | -8 |
| Which of the following letters is usually used as a notation of a unit vector along the y-axis? | j |
| On what axis is the unit vector <1,0,0> along? | x-axis |
| Find the equilibrant vector of the vectors given below. A = <1,2,3> B = <4,5,-6> | <-5,-7,3> |
| Find the resultant vector of the vectors given below. A = <111,111,111> B = <-111,-111,-111> Group of answer choices <222,-111,-222> | 0 |
| Jorgen Von Strangle started walking on a linear path. He first walked 3m to the right and went back 2m westwards. Which of the following is true about his journey? | His final position is 1m to the right of his initial position. Jorgen ends up on the right because his first move forward was larger than his move backward. |
| The dot product of <2,-4,6> and <1,1,0> is ___________. | -2 |
| The dot product of two vectors that are parallel is ________. | maximum |
| Which of the following is true about the properties of cross product? | The cross product operation is anti-commutative. |
| What is the cross product of two unit vectors where one is along the positive z-axis and the other is along the positive y-axis, respectively? | <-1, 0, 0> |
| what is the cross product of k and j | -i |
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