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Acceleration Forces Vectors Problem watch

1. Hey guys I have this question I am attaching.

The acceleration of a car/cart down a slope?

What do you get? No need to show workings, just want to see if other people get the same answer as me, since I made the question up.

Whats the popular opinion. ?
Attached Images
2. Tims Challenge 1001.pdf (927.7 KB, 65 views)
3. Are the forces Wii and the perpendicular W caused by the weight of the car (ie are they the components of weight?) Or are they separate
4. (Original post by Student403)
Are the forces Wii and the perpendicular W caused by the weight of the car (ie are they the components of weight?) Or are they separate
The car has a weight W in Newton given by it's mass, so hypotenuse newton value of that triangle (W) would be the weight of the car in free fall.
5. (Original post by timthechemist)
The car has a weight W in Newton given by it's mass, so hypotenuse newton value of that triangle (W) would be the weight of the car in free fall.
So that's just gsin40 - 1
6. (Original post by Student403)
So that's just gsin40 - 1
Answer should be in meters per second^2

m/s^2
7. (Original post by timthechemist)
Answer should be in meters per second^2

m/s^2
... Ok
8. To avoid confusion here, the WII force is the same force, I have just labeled twice (it on the slope and the triangle in the vector diagram). There is not 2 different WII's

The Forces are named in the car picture cartoon picture
There is only these forces to worry about.

N
W_I_
WII
W
f

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