Question

Solve the following:
a. The mass of 1cubic meter of water is 1kg.Find out the density of water.

b. A box weighing 10kg with an area of 4square meter is placed on the table.What is the pressure that the box exerts on the table?

c. A force of 120N is needed to move a nut using a spanner of lengh 30m.What is the moment of force?​​

Answer 1

Answer:

i dont know

Explanation:

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Answer 2

Answer:

a.The correct SI unit of denstity of water is "ρ = 1000 kg/m3". 1 m3 = 1,000,000 cm3. Copper has a density of 8950 kg/m3 = 8.95 kg/dm3 = 8.95 g/cm3. Water has a density of 1000 kg/m3 = 1000 g/L = 1 kg/dm3 = 1 kg/L = 1 g/cm3 = 1 g/mL.

b. don't know