You need to move a heavy box. To make your life easier, you place the 5.0 kg box on a 1.

You need to move a heavy box. To make your life easier, you place the 5.0 kg box on a 1.0 kg trolley and push on the trolley handle as shown in the figure to accelerate the box and skateboard at a uniform 2.0 ms2 . You know from previous measurements that the coefficients of static friction between a box and the trolley is