Question

Q3.True/False
(5marks)
1. The velocity is a scalar quantity
2. The splitting of a single vector in to its components is called resolution of a vector
3. The rectangular components always make an angle of 45 degree with each other
4. Cos90 is equal to zero
5. Sin 90 =0​

Answer 1

1. The velocity is a scalar quantity. [False]

2. The splitting of a single vector in to its components is called resolution of a vector. [True]

3. The rectangular components always make an angle of 45 degree with each other. [True]

4. Cos90 is equal to zero. [True]

5. Sin 90 = 0. [False]