Answer:
490.5N
Step-by-step explanation:
Step one:
given data
We are told that the mass is 50kg
m= 50kg
From Isaac Newton's first law of motion
F=ma
assuming a= 9.81m/s^2
Substituting we have
F=50*9.81
F= 490.5N
Hence the minimum force required to move the slab is
490.5N