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WorksheetsPart 3 - IPC B Final REVIEW
Total questions: 20
Worksheet time: 10mins
When two or more simple machines work together, they are called a(n)____.
effort machine
screw
compound machine
simple machine
The path of a projectile is ____.
straight
always vertical
always horizontal
curved
An object that is in free fall seems to be ____.
slowed by air resistance
weightless
speeded up by air resistance
not moving
Motion is a change in ____.
time
position
speed
velocity
The unit of power is the ____.
second
watt
joule
m/s
The correct symbol for the SI unit of temperature is ____.
Celcius
Kelvin
seconds
Farenheit
According to Newton's second law of motion, ____.
F = p * v
F = m * v
F = m * a
F = p * a
The kinetic energy of an object increases as its ____ increases.
potential energy
gravitational energy
specific heat
velocity
A measurement standard is defined as ____.
the interval between two events
the distance between two points
the exact quantity people agree to use for comparison
a system of prefixes
You can see this paper, your desk, and the person in front of you because light is being ____.
reflected
absorbed
diffracted
refracted
Studying the effect of one thing on another in order to test a hypothesis is a(n) ____.
exercise
constant
problem
experiment
The statement that current is equal to the voltage difference divided by the resistance is known as ____.
Faraday's law
Einstein's equation
Ohm's law
Newton's law
The process of gathering information through the senses is called ____.
inference
observation
analysis
hypothesis
Acceleration is rate of change of ____.
position
force
time
velocity
The upward force on an object falling through the air is ____.
inertia
terminal velocity
air resistance
momentum
Objects that keep their magnetic properties for a long time are called ____.
permanent magnets
temporary magnets
electromagnets
magnetic domains
The fixed pulley shown in Figure 5-1 does which one of the following?
decreases the force required and changes the direction of the force required
doubles the force required to lift the block
makes the block easier to lift by changing the direction of the force needed to lift it
decrease the force required to lift the block
An inclined plane wrapped around a cylindrical post is a ____.
lever
block and tackle (pulley)
screw
ramp
A transformer that increases voltage is a ____.
resistance transformer
step-up transformer
voltage motor
step-down transformer
If you are lying on a raft, and you notice that the number of waves that go past the raft increases, you also find that the distance between each crest ____.
increases
decreases
spreads out
remains the same
