A calculate the minimum force f he must exert to get the


A contestant in a winter games event pushes a 57.0 kg block of ice across a frozen lake as shown in Figure 4.29(a). The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. 

(a) Calculate the minimum force F he must exert to get the block moving.

N

(b) What is its acceleration once it starts to move, if that force is maintained?

m/s2

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