Physics Fsc Part 1 Chapter 2 Online Test With Answers

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Physics Fsc Part 1 Chapter 2 Online Test

Sr. # Questions Answers Choice
1 The dot product of two vectors A and B will be zero, if angle between A and B is Zero 30<sup>o</sup> 90<sup>o</sup> 180<sup>o</sup>
2 When a fore of 100 N is acting on an object along x-axis then its vertical component will be. 50 N 0 N 25 N 10 N
3 A direction of torque is Along the position vector r Perpendicular to both r and f Along the direction of force F Opposite to the direction of r
4 If r = 5 m and f = 4 N are along same direction, them torque is 20 Nm 5 Nm 10 Nm Zero
5 The force and torque are analogous to Velocity Mass and weight Moment of Inertia Each other
6 Dot product of vector with itself is. Zero 2 A A<sup>2</sup> A
7 Dot product of two non zero vectors is zero it angle between them is. 30<sup>o</sup> 60<sup>o</sup> 45<sup>o</sup> 90<sup>o</sup>
8 Force 12 N and 5 N are add, the resultant con not be 13 N 6 N 7 N 17 N
9 The resultant of two forces 3 N and 4 N acting at right angle to each other is 7 N 5 N 4 N 1 N
10 Maximum number of components of a vector may be Infinite One two three
11 Two vector can be added by simple arithmetical method when they are at an angle of. 120<sup>o</sup> 90<sup>o</sup> 0<sup>o</sup> 45<sup>o</sup>
12 If a vector of magnitude 10 N along y-axis then its component along x-axis is 0 N 5 N 8.66 N 10 N
13 The resultant of two vectors having magnitude 10 N and 8 N Can not be 2 N 9 N 18 N 20 N
14 The resultant of two forces 3N and 4 N acting at right angle to each other is. 5 N 6 N 1 N 7 N
15 Vector has both of its components are negative lies in 1st quadrant 2nd quadrant 3rd quadrant 4th quadrant
16 A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is. 5 N 8.66 N 10 N Zero
17 The magnitude of A will be Zero A<sup>2</sup> 1 A
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