Can anyone help me with parts A and B?
1 Answer
A.
B.
Explanation:
A. The first question is "does the box start to move wrt (with respect to) the truck bed?".
The force of maximum static friction,
If the box is to remain stationary wrt the truck, the friction needs to be able to apply force of
The second question is "what will the acceleration of the box be?"
That force will accelerate the box forward wrt the road according to
That is less than the truck's acceleration of 2.17 m/s^2. The difference between the 2 values of acceleration is
Therefore, to the box it will seen that the edge of the back of the truck's deck is accelerating toward it at
B. The distance the truck travels in 2.3 s is
I hope this helps,
Steve
P.S. Please ask me for any explanation you might need.