You live at the top of a steep (a slope of ???? degrees above the horizontal) hill and must park your 2200 kg car on the street at night.

Question

a) You unwisely leave your car out of gear one night and your handbrake fails.

Assuming no significant frictional forces are acting on the car, how quickly will it accelerate down the hill?

b) You resolve to always leave your car in gear when parked on a slope. If the rolling frictional force caused by leaving the drive--?train connected to the wheels is 5000 N, at what rate will your car accelerate down the hill if the handbrake fails again?

Answer 1

See prev post