题目内容

Equal size balls of cork, lead, aluminum and steel are placed in water. Which one will float?

A. Lead
B. Cork
C. Aluminum
D. Steel

查看答案

搜索结果不匹配？点我反馈

更多问题

Which property of a liquid describes its resistance to flow?

A. Plasticity
B. Viscosity
C. Elasticity
D. Incompressibility

If an item floats on water it has ------------------- density than water.

A. Higher
B. Lower
C. The Same
D. None of the above

What is the SI unit of pressure?

A. Newton (N)
B. Watts (W)
C. Pascal (Pa)
D. Kelvin (K)

Pressure is the ratio of ------ to ---------- .

A. Length, area
B. Force, area
C. Area, temperature
D. Temperature, force