Question 1 :
On adding two vectors we get _____
a) A vector
b) A scalar
c) A number
d) An operation
Question 2 :
Adding 2î + 7ĵ and î + ĵ gives ______
a) 3î + 8ĵ
b) î + 35ĵ
c) î + 8ĵ
d) 2î + 7ĵ
Question 3 :
Subtracting 2î + 7ĵ from î + ĵ gives ______
a) -î – 6ĵ
b) 3î + 8ĵ
c) î + 6ĵ
d) 7ĵ
Question 4 :
When two vectors in the same direction are added, the magnitude of resulting vector is equal to _______
a) Sum of magnitudes of the vectors
b) Difference of magnitudes of the vectors
c) Product of magnitudes of the vectors
d) Sum of the roots of magnitudes of the vectors
Question 5 :
A vector, 7 units from the origin, along the X axis, is added to vector 11 units from the origin along the Y axis. What is the resultant vector?
a) 3î + 8ĵ
b) 7î + 11ĵ
c) 11î + 7ĵ
d) 2î + 7ĵ
Question 6 :
Unit vector along the vector 4î + 3ĵ is _____
a) (4î + 3ĵ)/5
b) 4î + 3ĵ
c) (4î + 3ĵ)/6
d) (4î + 3ĵ)/10
Question 7 :
Calculating the relative velocity is an example of ______
a) Vector addition
b) Vector subtraction
c) Vector multiplication
d) Vector division
Question 8 :
Two forces of magnitudes 2F and √2F act such that the resultant force is √10 F. Then find the angle between the two forces.
a. 45∘
b. 90∘
c. 120∘
d. 30∘
Question 9 :
Two forces of magnitudes 2F and √2F act such that the resultant force is √10 F. Then find the angle between the two forces.
a. 45∘
b. 90∘
c. 120∘
d. 30∘
Question 10 :
The co-ordinates of moving particle at any time t are given as x = αt3 and y = βt3. The Speed of the particle at t is given by – (where the letters have their usual meanings)
Question 11 :
The co-ordinates of moving particle at any time t are given as x = αt3 and y = βt3. The Speed of the particle at t is given by – (where the letters have their usual meanings)
Question 12 :
The co-ordinates of moving particle at any time t are given as x = αt3 and y = βt3. The Speed of the particle at t is given by – (where the letters have their usual meanings)
Question 13 :
The co-ordinates of moving particle at any time t are given as x = αt3 and y = βt3. The Speed of the particle at t is given by – (where the letters have their usual meanings)