ECAT Physics Chapter 2 Vectors and Equilibrium Online Test With Answers

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ECAT Physics Chapter 2 Vectors and Equilibrium Online Test

Sr. # Questions Answers Choice
1 By convention, torques producing clockwise rotation are taken as: Positive Nagative Zero None of these
2 Tick the correct answer: Torque is a vector quantity Torque is the turning effect of a force Torque is called moment of a force All of above
3 For measuring the angle between two vectors graphically, we join: Tails of both the vectors Tail of one vector with the head of other Heads of both the vectors None of these
4 Scalar product is also called: Cross product Dot product Product scalar <div>Product vector</div>
5 The change of order of vectors in a dot product of two vectors: Changes its value Doesn't change it's value Changes the direction product quantity None of these
6 Two vectors having different magnitudes: Have their directions opposite May have their resultant zero Cannot have their resultant zero None of these
7 Unit vector is used to specify: Magnitude of a vector Dimensions of a vector Direction of a vector Position of a vector
8 The driection of vector si space is specified by: <br>One angle Two angles Three angles None of above
9 The sum of two or more vectors is equal to a single vector which is called: Component vector Resultant vector Product vector None of these
10 All trigonometric functions (since, cosine tangent etc. ) are positive in: 1st Quadrant 2nd Quadrant 3rd Quadrant 4th Quadrant
11 Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is: 20 N -2 N 18 N 36 N
12 The vector is space has: One Component Two Compnents Three Components Non of these
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