Vocabulary
Mass of a material divided by its volume
Density
Density is the ___________ of a material divided by its ___________.
a. Mass
b. Volume
State the Formula for Density
d=m/v
When forces are ______ and object will not move.
balanced
To get the basket closer to me I would have to ______ it.
Pull
Stating that the buoyant force exerted on an object by a fluid is equal to the weight of a fluid displaced is called what
Archimedes Principle
The pressure in fluid_______ with depth.
Increases
State the formula for Volume
V=m/d
The greater the mass of an object, the more _____ that is required to move it.
force
To move a desk away from me, I would have to ___ it.
Push
A material that can material flow and has no shape
Fluid
An object _______ if the buoyant force equals the weight of an object.
Floats
State the formula for mass
M=v*d
When one team is winning at tug-o-war, the forces are______.
Unbalanced
To change the direction an object is moving I could either _____ or _____ it.
Push, Pull
Pull, Push
an instrument that measures the density of a fluid
Hydrometer
Objects float in all fluids, including__________.
Gases
What is the density of a metal bolt that has a volume of 5.2 cm3 and a mass of 41.0g?
7.9 g/cm3
Wind resistance and gravity affect the time it takes a ball thrown in the air to hit the _______.
ground
When a ball is thrown into the air, it returns to the ground due to ________.
Gravity
a force exerted per unit area of a surface
Pressure
Forces due to fluid pressure act ___________ to any surface fluid.
Perpendicular
A plantinum bar measures 5.0 cm long, 4.0 cm wide, and 1.5 cm thick. It has a mass of 700.0 grams. What is the density of the platinum bar? What is the Volume?
Volume= 23.33
Density= .77 g/cm3
What is it called when two unequal forces are pulled in opposite directions?
unbalanced force
An object submerged in liquid will equal___________________
weight of the fluid displaced by the object.