Related Questions

The variables whose coefficient vectors are unit vectors are called ____________.
A Unit Variables
B Basic Variables
C Non basic Variables
D None of the above
Two forces of magnitude 3m and 2m respectively have a resultant R. if the first force is doubled, the magnitude of the resultant is doubled.Find the angle betuween forces?
A 90°
B 120°
C 135°
D 145°
3N ও 2N মানের দুইটি বলের লদ্ধি R । প্রথম বলের মান দ্বিগুণ করলে লদ্ধির মানও দ্বিগুণ হয়। বলদ্বয়ের মধ্যবর্তী কোণের মান হবে- (The resultant of two forces 3N and 2N is R. If the first force is doubled then the resultant is also doubled. The angle between the forces is-)
A 30°
B 45°
C 65°
D 120°
The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then,
A P = R
B Q = R
C P = Q
D None of the above is correct
The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then
A P = Q
B Q = R
C Q = 2R
D None of these
The resultant of the two forces P & Q is R. If Q is doubled, the new resultant is perpendicular to P. Then
A P = Q
B Q = R
C Q = 2R
D Q = 3R
The resultant of the forces acting on a body will be zero if the body
A Rotates
B Moves with variable velocity in a straight line
C Moves along a curved path
D Does not move at all
What is the maximum number of points of intersection of two circles which have unequal radii?
A 1
B 2
C 3
D infinite number
Unequal pulse pressure can occur in
A Coarctation of aorta
B Aortic dissection
C Patent ductus arteriosus
D Aortic arch syndrome
E Aorto-pulmonary window
When a certain number is divided by 7, the remainder is zero. If the remainder is not zero when that number is divided by 14, then the remainder must be------
A 1
B 2
C 7
D 13

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