NEW
Font size
WorksheetsICP S2 Final Exam Review
Total questions: 55
Worksheet time: 28mins
A projectile is an object moving under the influence of only
gravity
ramps
sideways acceleration
rocket engines
Acceleration occurs whenever there is a change in
either speed or direction
neither speed nor direction
direction
speed
At constant speed in a straight line, the acceleration is:
positive
it can be any of these
negative
zero
Speed with direction is:
velocity
position
vector
time
The direction of the acceleration of an object in circular motion stay pointed:
away from the center of the circle
toward the center of the circle
up
down
Distance divided by time is:
position
acceleration
speed
vector
What is acceleration?
change in position multiplied by the change in time
change in position divided by the change in time
change in velocity multiplied by the change in time
change in velocity divided by the change in time
Which is NOT a common unit for speed?
meters per second
kilograms per second
cm/s
miles per hour
A newton is a little less than:
1/2 pound
1/4 pound
1/8 pound
1 pound
If the net force doubles, the acceleration:
is cut in half
doubles
stays the same
quadruples
On Earth the weight of an object is the mass multiplied by:
1lb/kg
1N/kg
9.8N/kg (m/ s2 )
9.8lb/kg
The mass of an object times its velocity is the:
momentum
inertia
gravity
force
Type of friction that slows down the motion of a box moving across a floor
static
rolling
viscous
sliding
What is the sum of all forces acting on an object at any given time?
net force
balanced force
unbalanced force
massive force
Which of Newton's laws describes how acceleration depends on both net force and mass?
gravity
first
second
third
Which way does friction always point?
down
up
opposite the direction of motion
perpendicular to the direction of motion
Energy of motion is:
mechanical energy
kinetic energy
potential energy
chemical energy
Energy of position is:
kinetic energy
potential energy
mechanical energy
chemical energy
kinetic energy is related to an object's:
both mass and speed
neither mass nor speed
speed
mass
One meter times one newton equals ONE:
BTU
kilogram
Joule
pound
What can never be created nor destroyed?
Energy
Power
Force
Momentum
How can a simple machine work to require less force for lifting a load?
by making it take a longer distance
it can't!
by making it take less time
by making it use more power
If a meter stick is balanced in the middle and a 10N weight is hanging @20cm from the fulcrum, where would a 20N weight need to be on the other side of the fulcrum in order to balance?
40cm
20cm
30cm
10cm
If a pulley system has four supporting strands of rope, how much force is needed to lift a 400N object?
200N
100N
400N
1600N
What are the SI units for power?
Joule
kiloamp
horsepower
Watt
What are the SI units for work?
Joule
kiloamp
horsepower
Watt
As the pressure on a gas increases, which of the following occurs?
the volume decreases
the mass increases
the gas cools
the volume increases
Convert 25 °C to kelvin.
298K
-273K
98K
-248K
How many mm of mercury is equal to one atmosphere of pressure?
101
22.4
1
760
What does temperature measure?
pressure
average kinetic energy
average size
potential energy
What is a gas like?
particles that stick together and fall to the bottom of a container
independent particles that don't move
independent particles moving and filling a container
particles that stick but can slide past each other
Which of the following is pressure?
work divided by time
force divided by area
force times distance
force times area
Metals are good conductors of heat and also good conductors of
sound
cold
magnetism
electricity
What happens when heat is added to a substance with a low specific heat value?
the temperature changes slowly
it melts
the temperature is unlikely to change at all
the temperature changes quickly
What is heat?
hotness
a flow of energy from high to low temperatures
average kinetic energy
a flow of energy from low to high temperature
Which substance has the highest specific heat?
iron
oil
water
copper
Why are metals good conductors?
metals contain loose electrons
metals hold cold
metals are solid
metals are in a random arrangement
Why does evaporation cause cooling?
it does not
evaporation gives off energy to the liquid
the fast particles leave first leaving behind a smaller average kinetic energy
the slow particles leave the surface first
If the frequency of a wave increases, how would the wavelength change?
wavelength increases
wavelength decreases
wavelength varies without relationship to frequency
wavelength does not change
What color of light has the largest frequency?
cyan
violet
red
green
What does wavelength x frequency equal?
disaster
speed
energy
amplitude
What kind of electromagnetic wave has the longest wavelength?
ultraviolet
gamma
radiowaves
light
What things act as waves?
light
water
yes
sound
Which of these is not an EM wave?
gamma
sound
UV
X-rays
Light bending as it moves into a different material is called:
reflection
refraction
diffraction
imagination
The angle of incidence is equal to the angle of ________
reflection
90
diffraction
refraction
What happens when light hits a mirror?
diffraction
reflection
explosion
refraction
What is the point called when light waves cross?
2f
imaginary point
divergent point
focal point
What kind of image can be focused on a screen?
real
imaginary
virtual
fuzzy
What kind of image does a plane mirror make?
actual
virtual
real
genuine
According to Ohm's Law, voltage is equal to:
current x resistance
zero
resistance / current
current / resistance
What units are used for electrical resistance?
volts
watts
ohms
amperes
A circuit contains a battery and three bulbs, if one of the bulbs is removed, the others remain illuminated. The circuit is:
not complete
open
in parallel
in series
How is electric power calculated?
volts x watts
voltage squared
current x voltage
current x resistance
When there is only one path for an electric current a circuit is:
in series
open
not complete
in parallel
