A 1.2-kg block (in motion to the right) is acted upon by a force of F= 30 N. g=9.8 \mathrm{~m} / \mathrm{s}^{2} ; \beta=23.6^{\circ} ; \mu_{s}=0.5 ; \mu_{K}=0.50 a) What

is the normal force N from the ground onto the block? (b) What is the horizontal acceleration of the block?

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