Recent content by TeeNaa

@Simon, thank you for the reply. For the first question, yes I can see why the weight would be pushed back. For the second question, I don't know what that really mean. I understand why there is two normal force because of the wheel set but I do not understand the horizontal surface forces part...

A 1500 kg car is driven onto a pair of ramps so that it fronts wheels have been raised 0.3 m above the rear wheels. The wheel base of the car is 2.4m and it center of gravity is located at the midpoint between the front and rear wheels. How much of the car's weight is supported by the rear...

Is there any other way to solve this problem beside KE? I haven't learn that yet. Thanks

A 1200 kg car start from rest and coast down a uniform grade, at the bottom of which ti has a speed of 20 m/s. If the car has traveled 800 m along the grade and has descended 35 m, what is the average retarding force(friction) encountered by the car? How would I solve this problem? I know Fx =...

Thank you for the replies guy. I came up with that since the truck will travel a certain distance before the car hit, the distance for the can can be dCar = 200m + x . Since x is the distance the truck travel, it can be represented as x = ((Vf + Vi)/2) * t - 200. since x = distance, x can be x...

I understand when you say the decrease in the distance due to the different in the vehicle speed but I can't think of how to find the time when the truck and car is constantly moving. Thank you

Homework Statement A car traveling 100 km/h is 200m away from a truck traveling 50 km/h (in the same direction) . Assuming constant braking acceleration, what is the minimum deceleration the car must have if it is not to hit the truck? Homework Equations I know acceleration is a = (Vf -...