一個理想的單擺,已知其周期為T.由于某種原因,自由落體加速度變?yōu)樵瓉淼?span id="tokwu1p" class="MathJye" mathtag="math" style="whiteSpace:nowrap;wordSpacing:normal;wordWrap:normal">
,振幅變?yōu)樵瓉淼?span id="v32gh6z" class="MathJye" mathtag="math" style="whiteSpace:nowrap;wordSpacing:normal;wordWrap:normal">
,擺長變?yōu)樵瓉淼?span id="scbd7qn" class="MathJye" mathtag="math" style="whiteSpace:nowrap;wordSpacing:normal;wordWrap:normal">
,擺球質(zhì)量變?yōu)樵瓉淼?span id="l01cskq" class="MathJye" mathtag="math" style="whiteSpace:nowrap;wordSpacing:normal;wordWrap:normal">
,則它的周期變?yōu)樵瓉淼?!--BA-->
.