Question

(i) State which of the following is a vector quantity : -

a) Velocity b) Speed c) Time d) Distance

(ii) A particle covers equal distances in equal time intervals, it is said to

a) be at rest b) Moving with uniform speed

c) Moving with a uniform velocity d) Moving with uniform acceleration

(iii) The S.I unit of retardation is

a) m / s b) m / s2 c) ms2 d) m

(iv) Acceleration is a vector quantity, which indicates that its value

a) Is always negative b) Is always positive c) Is zero d) Can be positive, negative or zero​

Answer 1

Answer:

¡) a) velocity

¡¡) b) moving with uniform speed

¡¡¡) c) ms2

¡v) d) can be positive, negative or zero.