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Worksheets8M Final Review
Total questions: 40
Worksheet time: 41mins
This is a measurement of the amount of matter, or 'stuff', in an object or substance.
volume
density
mass
length
What is the SI unit use for hydraulic pressure?
Kg/m3
Pa
Litre
Kilometer
What is the formula for pressure?
P=A/F
P=FA
P=F/A
To calculate pressure you need to know ...
Force & Volume
Density & Volume
Power & Area
Force & Area
When force increases...
pressure increases
pressure decreases
pressure stays the same
pressure increases then decreases
When area increases...
pressure increases
pressure decreases
pressure stays the same
pressure increases then decreases
Any substance that can easily flows and therefore can easily change shape.
Fluid
Liquid
Gas
Solid
A fluid takes the shape of its container and flows freely
true
false
Water pressure decreases as depth increases
false
true
An upward force that fluids exert on all matter
buoyancy force
buoyant force
atmospheric pressure
pressure
Archimedes' principle states that the buoyant force acting on an object is a downward force equal to the weight of the fluid that the object displaces
true
false
The force of ________ causes atmospheric pressure by pulling down on the air.
the sun
gravity
buoyancy
the equator
Density is related to ____ and ______.
mass, volume
gravity, buoyant force
volume, weight
sinking, floating
The pressure caused by the weight of the atmosphere is called...
gravity
buoyant force
pressure
atmospheric pressure
An object exerts 360 N of force on a surface that has an area of 8.0m2. How much pressure does the object exert?
5.625 Pa
45 Pa
70 Pa
45 N
A durian falls from the tree. There is a ___________.
gravitational force
normal force
elastic force
buoyant force
______________ is the thrust force acting on an object that is floating on the surface of a fluid.
Frictional force
Buoyant force
Weight
Normal force
Formula of work:
W = F x t
W = F + t
W = F / d
W = F x d
Work is done ___________
when a force is applied
to an object
and the object moves
in the opposite direction
when a force is applied
to an object
and the object moves
in the same direction
There are two condition of work to be done....
Constant applied force on the object
Object travel a distance in the same direction of force
Both
The Unit of force is ______________
Kilogram (kg)
Newton(N)
Units of work is ___________
Newton (N)
watt (w)
joule (J)
Power is ___________
Is the rate of energy transfer.
Speed of doing work is work done in a certain time.
both
none
Power =
Work + time
Work / time
Work x time
Unit of power is:
Meters (m)
Watt (W)
Joules (J)
Kinetic energy is energy used by .....
stored
movement
released
What type of energy is stored in baked beans?
Sound
Gravitational
Chemical
Elastic
Potential energy is energy that is .........in objects
movement
stored
released
The engine is hot ______
chemical energy
heat energy
electrical energy
gravitional energy
Heat energy from the movement of atoms
Sound Energy
Elastic Energy
Chemical Energy
Thermal Energy
Energy stored in chemical bonds like food fuel, and batteries
Sound Energy
Nuclear Energy
Chemical Energy
Light Energy
Movement of electrons to transmit electricity
Thermal Energy
Electrical Energy
Chemical Energy
Elastic Energy
The sum of potential and kinetic energy
Mechanical Energy
Elastic Energy
Thermal Energy
Electrical Energy
Splitting the nuclei of atoms in a process called fission
Sound Energy
Electrical Energy
Mechanical Energy
Nuclear Energy
Vibrations produce _______ energy.
chemical
sound
potential
light
A car rolling down the drop of a roller coaster has ________ energy.
potential
kinetic
light
sound
A car at the top of the drop on a roller coaster has ________ energy.
potential
kinetic
heat
sound
