Question
In Figure $\mathrm{P} 4.44$, the incline has mass $M$ and is fastened to the stationary horizontal tabletop. The block of mass $m$ is placed near the bottom of the incline and is released with a quick push that sets it sliding upward. It stops near the top of the incline, as shown in the figure, and then slides down again, always without friction. Find the force that the tabletop exerts on the incline throughout this motion.
In Figure $\mathrm{P} 4.44$, the incline has mass $M$ and is fastened to the stationary horizontal tabletop. The block of mass $m$ is placed near the bottom of the incline and is released with a quick push that sets it sliding upward. It stops near the top of the incline, as shown in the figure, and then slides down again, always without friction. Find the force that the tabletop exerts on the incline throughout this motion.
Answers
(II) The block shown in Fig. 4-59 has mass $m=$ 7.0 kg and lies on a fixed smooth frictionless plane tilted at an angle $\theta = 22.0^\circ$to the horizontal. ($a$) Determine the acceleration of the block as it slides down the plane. ($b$) If the block starts from rest 12.0 m up the plane from its base, what will be the block's speed when it reaches the bottom of the incline?
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