A body of mass 5 kg under the action of constant force has velocity at s as m/s and…

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

A body of mass 5 kg under the action of constant force

\vec{F} = F_x \hat{i} + F_y \hat{j}

has velocity at

t = 0

s as

\vec{v} = (6\hat{i} - 2\hat{j})

m/s and at

t = 10

s as

\vec{v} = +6\hat{j}

m/s. The force

\vec{F}

is: (1)

(-3\hat{j} + 4\hat{i})

N (2)

\left(-\frac{3}{5}\hat{i} + \frac{4}{5}\hat{j}\right)

N (3)

(3\hat{i} - 4\hat{j})

N (4)

\left(\frac{3}{5}\hat{i} - \frac{4}{5}\hat{j}\right)