A force directed along the negative -axis varies linearly from at to at and then…

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A force directed along the negative

x

-axis varies linearly from

0\,\text{N}

t=0

-40\,\text{N}

t=2\,\text{s}

and then returns linearly to

0\,\text{N}

t=4\,\text{s}

. Determine the net impulse delivered during this interval and state its direction.