A675-pound trailer is sitting on an exit ramp inclined at 40o on highway 35. how much vertical force is required to keep the trailer from rolling back down the exit ramp?

433.88 lbs

Explanation:

We are given that mass of trailer =675 pound

Angle=

We have to find the vertical force required to keep the trailer from rolling back down the exit ramp.

The force required to keep  the trailer from rolling back down the exit ramp=

Where w=675 pounds and

Substitute the values then we get

Substitute the value then we get

=433.88 lbs

Hence, the force required to keep the trailer from rolling back down the exits ramp=433.88 lbs

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Explanation:

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