Motion

Which is scalar?

• speed

• velocity

• acceleration

Which is vector?

• speed

• distance

• displacement

A quantity which has only magnitude is scalar.

• True

• False

 $\overrightarrow{A}$  = 3 units (East) and $\overrightarrow{B}$  =5 units ( West). The addition of two vectors is ---------.

• 8 units (East)

• 8 units (West)

• 2 units (West)

If the starting point and finishing point are equal, which value is zero?

• speed

• distance

• displacement

The time rate of change of displacement is the instantaneous --------------.

• speed

• velocity

• acceleration

If the velocity decreases, the acceleration is-----------.

• zero

• positive

• negative

For uniform motion , there is no---------.

• speed

• velocity

• acceleration

Motion with changing velocity is called--------- motion.

• constant

• uniform

• non-uniform

The slope of v-t graph gives-----------.

• velocity

• displacement

• acceleration