[renad-h]

25kg crate is pushed across africtionless horizontal floor.with force of 20N directed 20 below the horizontal. the acceleration is :
a- 0.27m/s2
b-0.75m/s2
c- 0.80m/s2
d-170m/s2
e-420m/s2
الجواب :( b-0.75m/s2)
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