Question

The position vector of a particle related to time t is given by $\vec{r}=(10t\hat{i}+15t^2\hat{j}+7\hat{k})m$
The direction of net force experienced by the particle is :

• A. Positive x-axis
• B. Positive y-axis
• C. Positive z-axis
• D. In x-y plane

Answer 1

Answer: (B)

Positive y-axis

Answer 2

The correct option is(B): Positive y-axis