Physical Science Chapter 13 Buoyancy

What is the formula for density?

• m/v

• mv

• v/m

• m+v

A measure of the amount of matter in an object.

• weight

• mass

• density

• volume

The amount of space an object takes up.

• mass

• weight

• density

• volume

The ability of a fluid to exert an upward force on an object placed in it.

• Pascal

• Pressure

• Buoyancy

• Fluid

Water has a density of

• 1.0grams/cm3

• 10grams/cm3

• 100grams/cm3

• 1000grams/cm3

Archimede's Principle is

• Mass of the water is less than the force of buoyancy

• Weight out of liquid = buoyant force

• Buoyant force equals weight of the object

• Weight out of liquid =Volume of the liquid

How many forces act on a submerged body at rest in a fluid?

• •One—buoyancy

• Two—buoyancy and the force due to gravity

• Two—buoyancy and friction

• Two—weigth and gravity

A piece of iron has a weight of 3.5 N when it is in air and 2.0 N when it is submerged into water. What is the buoyant force on the piece of iron?

• 3.5 N           

• 2.0 N            

• 1.5 N             

• 1.0 N

If an object, such as a ball of clay sinks, what would we need to do to its volume to make it float?

• Clay can't float

• Increase the volume

• Decrease the volume

• Keep the volume the same

Which propertie is not affect buoyancy?

• Density

• volume

• color

• graivty