- #1

TheBigDig

- 65

- 2

- Homework Statement
- A 1100 kg car is parked on an incline of 1 in 30. What is the normal force acting on the car? In the absence of friction what would be the acceleration if the handbrake were released?

- Relevant Equations
- ## \vec{F} = \mu_k \vec{N} ##

## F = mgsin\alpha ##

## N = mgcos\alpha ##

For part 1, I got ## tan \alpha = 1/30 ##

##\alpha = 1.9^{\circ}##

##mgcos(1.9) = 10774N##

I'm a little thrown off by the second part. Are we supposed to assume that in the absence of friction, F = N and then substitute F = ma to solve for this?

##\alpha = 1.9^{\circ}##

##mgcos(1.9) = 10774N##

I'm a little thrown off by the second part. Are we supposed to assume that in the absence of friction, F = N and then substitute F = ma to solve for this?