本题目来源于试卷: Physics Unit4: Force Dynamics & Newton's Laws，类别为 通用国际物理
[问答题]
A block lies on a smooth i01: zfh:qc ug 3a m;nmeo6ft6snclined plane til )n48/m6cwjm3ah lgrp:fmiiq8m:h2dted at an angle of $35^{\circ}$ to the horizontal.
(a) Draw the free-body diagram for the block.
(b) Determine the block's acceleration as it slides down the inclined plane.
(c) If the block started from rest 8.5 m up the incline from its base, determine the block's speed when it reaches the bottom of the incline.
(d) How long did it take the block to reach the bottom of the inclined plane?
参考答案:
(a) The block is acted on by the force of gravity directed downward and the normal force due to the inclined plane directed perpendicular to the inclined surface.
(b) $5.6 \; m/s^2$
(c) 9.7 m/s
(d) 1.7 s
本题详细解析:
暂无
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