试题与答案

小华同学在玻璃杯中倒入20cm深的水,水对杯底的压强是 ______Pa;若将体

题型:填空题

题目:

小华同学在玻璃杯中倒入20cm深的水,水对杯底的压强是 ______Pa;若将体积是3×10-4m3的石块全部浸入水中,石块受到的浮力是 ______N.

答案:

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参考答案:E

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