Force (p)=268N
Weight (W)=718
Newton second law
Force in vertical direction
(Fnet)y=may
W−N=may
ay=0
W=N
Newton motion second law
v2=u2+2as
Put value
122=02+2×a×30
ax=2×30144=2.4m/sec2
Force in horizontal direction
P−F=max
718−μkN=max
m=gW=9.8268m=9.8268=27.34kg
Put value
718−μk×268=27.34×2.4
718−μk×268=65.616μk×268=652.384μk=2.434
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