More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Physics Chapter 2 Vectors and Equilibrium Online Test MCQs With Answers
Question # 1
When a vector is multiplied by a negative number, its direction:
Choose an answer
Remains the same
Changes
Changes by 180
°
None of these
Previous
Skip
Next
Question # 2
If two forces of magnitudes 3.5 and 2.5 N act on a body such that the angle between the forces is zero, then magnitude of the resultant will be:
Choose an answer
1.0 N
6 N
3.5 N
12 N
Previous
Skip
Next
Question # 3
Two forces each of 10 N act on a body, if the force are inclined at 30
° and 60
° respectively with x-axis, then x-component of their resultant is:
Choose an answer
20 N
13.66 N
10 N
8.66 N
Previous
Skip
Next
Question # 4
Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:
Choose an answer
100 N
70 N
20 N
Zero
Previous
Skip
Next
Question # 5
All trigonometric functions (since, cosine tangent etc. ) are positive in:
Choose an answer
1st Quadrant
2nd Quadrant
3rd Quadrant
4th Quadrant
Previous
Skip
Next
Question # 6
Which of the following is scalar quantity?
Choose an answer
Electric potential
Velocity
Momentum
Force
Previous
Skip
Next
Question # 7
Unit vector is used to specify:
Choose an answer
Magnitude of a vector
Dimensions of a vector
Direction of a vector
Position of a vector
Previous
Skip
Next
Question # 8
The magnitude of the resultant of two forces may be increased by:
Choose an answer
Increasing the angle between them
Decreasing the angle between them
Drawing a triangle to represent them
None of these
Previous
Skip
Next
Question # 9
Torque is also called:
Choose an answer
Momentum
Linear inertia
Moment of a force
Mass
Previous
Skip
Next
Question # 10
The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90
° with each other is:
Choose an answer
20 m/sec
5 m/sec
3 m.sec
None of these
Previous
Skip
Next
Question # 11
All trigonometric functions (sine, cosine, tangent etc) are positive in:
Choose an answer
1st quadrant
2nd quadrant
3rd quadrant
4th quadrant
Previous
Skip
Next
Question # 12
The direction of vector in space is specified by:
Choose an answer
One angle
Two angles
Three angles
None of these
Previous
Skip
Next
Question # 13
Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:
Choose an answer
2 N
- 2 N
18 N
36 N
Previous
Skip
Next
Question # 14
Cosine of an angle is positive in:
Choose an answer
2nd quadrant
3rd quadrant
4th quadrant
All of these
Previous
Skip
Next
Question # 15
The vector in space has:
Choose an answer
One component
Two components
Three components
None of these
Previous
Skip
Next
Question # 16
Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:
Choose an answer
30
°
45
°
60
°
90
°
Previous
Skip
Next
Back