A large truck carrying a heavy load Consider a large truck carrying a heavy load

Question

A large truck carrying a heavy load
Consider a large truck carrying a heavy load, such as steel beams. A significant hazard for the driver is that the load may slide forward, crushing the cab, if the truck stops suddenly in an accident or even in braking. Assume, for example, that a 10000-kg load sits on the flatbed of a 20000-kg truck moving at 12.0 m/s. Assume the load is not tied down to the truck and has a coefficient of static friction of 0.450 with the truck bed.
(a) Calculate the minimum stopping distance for which the load will not slide forward relative to the truck.
____________m
(b) Is any piece of data unnecessary for the solution? (Select all that apply.)
___mass of the load
___ mass of the truck
___velocity
____coefficient of static friction

Explanation / Answer

max deceleration= u*g=4.41 a)so d=v^2/2a=16.33 b)velocity and coefn of friction

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