The ship was able to float in the water because its weight was the same as the weight of the water it displaced.

• True

• False

Answer explanation

Apparent loss of weight must be equal to __________

• 1) Force of buoyancy

• 2) pressure

• 3) area

• 4) volume

Answer explanation

Liquids and gases have _____.

• buoyancy

• elasticity

• ability

The density of gold is 19 gm/cm³. Find the volume of 95 gm of gold.

• 2 cm³

• 5 cm³

• 10 cm³

• 15 cm³

A unit of pressure equivalent to a force of 1N acting on 1m² is _____.

• 1 pascal

• 1 dyne

• 1 joule

Density is the amount of ________ per unit of volume

• gravity

• mass

• motion

The pressure P at a certain depth in river water and Q at the same depth in sea water are related as

• P=Q

• P>Q

• P<Q

• P-Q=atmospheric pressure

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

The fundamental unit is

• Pascal

• Hertz

• Second

• Newton