A \( 3.5 \mathrm{~kg} \) block is pushed along a horizontal floor by a force \( \vec{F} \) of ma...
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0A \( 3.5 \mathrm{~kg} \) block is pushed along a horizontal floor by a force \( \vec{F} \) of magnitude \( 15 \mathrm{~N} \) at an angle \( \theta=40^{\circ} \) with the horizontal (Fig. 6-33). The coefficient of kinetic fric-
Figure 6-33 tion between the block and the floor is \( 0.25 \). Calculate the magnitudes of (a) the frictional force on the block from the floor and (b) the block's acceleration.
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