WorksheetsFall2021PhysicsReview
Total questions: 75
Worksheet time: 25mins
Name
Class
Date
1.
When floating in space, throwing one popcorn at a time is rocket propulsion.
a)
true
b)
false
2.
During full moon, the Earth, Sun, and Moon are lined up. What kind of tides will happen?
a)
neap
b)
spring
c)
low
d)
high
3.
Electric fields lines are allowed to cross and tangle.
a)
true
b)
false
4.
Define accleration:
a)
any change in displacement over time
b)
any change in velocity over time
c)
final velocity divided by time
d)
speed up
5.
How long can you survive without water?
a)
24 hours
b)
3 days
c)
1 week
d)
2 weeks
6.
What is impulse?
a)
mass times acceleration
b)
mass times velocity
c)
Force over time
d)
Force times time
7.
At terminal velocity, the parachute will produce a drag force ?? the weight of the cargo.
a)
more than
b)
less than
c)
equal to
8.
, the parachute should be made large enough to ??? the drag force.
a)
minimize
b)
neutralize
c)
maximize
9.
The parachute will reduce the momentum of the cargo by reducing its ???
a)
impulse
b)
drag
c)
mass
d)
velocity
10.
Symbol for electric constant/coulomb's constant.
a)
EC
b)
k
c)
C
d)
r
11.
Symbol for electric charge.
a)
EC
b)
c
c)
a
d)
q
12.
Symbol for distance
a)
s
b)
r
c)
b
d)
m
13.
a quantity having direction as well as magnitude
a)
scalar
b)
vector
c)
friction
d)
tradeoff
14.
a force that resists the relative motion of two bodies or substances in contact
a)
gravity
b)
vector
c)
friction
d)
tradeoff
15.
a force of attraction between objects that is due to their masses and that decreases as the distance between the objects increases
a)
gravity
b)
vector
c)
friction
d)
acceleration
16.
Which astronaut is an alumni of San Pedro High School?
a)
Valentina Tereshkova
b)
Sally Ride
c)
Bridget Bardot<br />
d)
Dr. Anna Lee Fisher
17.
Everything is made of small particles called…?
a)
atoms
b)
bosons
c)
electrons
d)
quarks
18.
In lightning do charges go up or down?
a)
up
b)
down
c)
both
19.
If a finger touches a stone, does the stone touch the finger?
a)
yes
b)
no
c)
maybe so
20.
Why is it safe to lie on a bed of nails?
a)
more area, less pressure
b)
more nails mean easier to puncture skin
c)
the nails have to be very thin and sharp<br />
21.
What is momentum?
a)
Force divided by time
b)
mass times velocity
c)
mass divided by velocity
d)
Force times time
22.
What is the type of friction present when the two surfaces are not sliding?
a)
potential friction
b)
static friction
c)
mechanical friction
d)
kinetic friction
23.
Why do you feel weightless when you are on the ISS (international space station)?
a)
because you are weightless
b)
anti-gravity technology
c)
there is no gravity outside the atmosphere
d)
you are falling freely with the station
24.
Pressure equals
a)
force * area
b)
area / force
c)
1 / force * area
d)
force / area
25.
Microwave ovens can cause cancer.
a)
true
b)
false
26.
A large molecule of repeating parts.
a)
ribo-nuclease
b)
ribo-nuclease
c)
substrate
d)
polymer
27.
Everything is made up of charges.
a)
true
b)
false
28.
Tides on Earth are caused by what two object? [Select two]
a)
ISS
b)
Sun
c)
Moon
d)
Jupiter
29.
Ignoring air resistance, the acceleration due to gravity near the earth's surface is approximately...
a)
1m/s/s
b)
15m/s/s
c)
32mi/hr/s
d)
10m/s/s
30.
the mutual force of attraction between particles of matter
a)
gravitational force
b)
electric field
c)
polymer
d)
repulsive force
31.
a very large molecule with many connected atoms
a)
contact force
b)
polymer
c)
macromolecule
d)
field force
32.
When playing the egg toss and catching an egg, why is moving your hands in the same direction as the eggs velocity the best strategy?
a)
To stop the egg in the quickest time
b)
This is not the best strategy
c)
More time to slow down egg means less force on the egg
33.
When balloons have friction with a sweater, what happens?
a)
the balloon gets more positive
b)
the motion creates electrons
c)
protons leave the balloon
d)
electrons from the sweater transfer to the balloon
34.
A PVC pipe can attract neutral wood.
a)
true
b)
false
35.
What is the impulse momentum theorem?
a)
Impulse = Ft
b)
p = mv
c)
F = ma
d)
Ft = mvf - mvi
36.
Changing the mass of the planet will change the orbital period (time to go around the sun.)
a)
true
b)
false
37.
You are driving too fast in the country/farmland and a bug splatters on your windshield. Which experiences more force?
a)
bug
b)
windshield
c)
both
38.
Heavier things fall with higher accelerations.
a)
true
b)
false
39.
Every mass attracts ??? other mass.
a)
very small
b)
every
c)
planet sized
d)
only large
40.
Everything is made of charged particles, but things are usually neutral because number of protons is different from the number of electrons.
a)
true
b)
false
41.
What does evaporation cause (hint: think about sweat)?
a)
agitation
b)
heating
c)
low humidity
d)
cooling
42.
On the Earth, how often are lightning strikes?
a)
100 strikes a minute
b)
100 strikes a second
c)
100 strikes every 10 seconds
d)
100 strikes an hour
43.
If A has a force on B, then B has an (equal/unequal) but (opposite/same direction) force on A.
a)
equal, opposite
b)
unequal/same direction
44.
When a hammer hits a nail, which experiences more push from the other?
a)
both have the same
b)
nail
c)
hammer
45.
In the two cars off the cliff example, which car hits the water first?
a)
dropped
b)
horiztonally launched
c)
the heavier car
d)
same time
46.
Is G a very small number or a very large number?
a)
it depends on mass
b)
very large
c)
it depends on distance
d)
very very very small
47.
Satellites are constantly falling?
a)
true
b)
false
48.
Is water polar or non-polar?
a)
both
b)
non-polar
c)
polar
d)
neither
49.
The sun pulls the earth more strongly than the earth pulls the sun.
a)
true
b)
false
50.
Momentum and impulse. Are they scalars or vectors?
a)
vectors
b)
scalars
c)
one of each
d)
it depends
51.
When a cannon ball is fired from a cannon, which has more impulse on it?
a)
cannonball
b)
cannon
c)
same
d)
it depends
52.
What is 50 N left plus 50 N right?
a)
100 N right
b)
50 N right
c)
zero
d)
50 N left
53.
Water drops can orbit around knitting needles.
a)
true
b)
false
54.
Ball A has a momentum of 5 kg•m/s just before it collides with Ball B, which was not moving. No other forces act on the balls. Which statement describes the momentum of the balls after the collision?
a)
The total momentum of the system is 5 kg•m/s after the collision.
b)
Ball B has a momentum of 5 kg•m/s after the collision.
c)
The momentum of the system is greater after the collision than before it.
d)
Ball A has a momentum of 0 kg•m/s after the collision.
55.
collision in which the total momentum remains constant but kinetic energy is not constant and is transferred to the environment
a)
inelastic collision
b)
tectonic plate
c)
elastic collision
d)
impulse
56.
the product of the force and the time over which the force acts on an object
a)
inelastic collision
b)
tectonic plate
c)
elastic collision
d)
impulse
57.
a system in which no matter or energy enters or leaves; hot tea in a very well-insulated container
a)
deformation
b)
impulse
c)
isolated system
d)
elastic collision
58.
Imaginary lines sweep out equal areas in equal time intervals
a)
Keplers 1st Law
b)
Keplers 2nd Law
c)
Keplers 3rd Law
59.
Are forces vectors (have a magnitude and a direction) or scalars (have only a magnitude)?
a)
both
b)
scalars
c)
neither
d)
vectors
60.
Color
a)
chrom-
b)
chron-
c)
ante-
d)
coel-
61.
inflammation
a)
ology
b)
meta
c)
itis
d)
trans
62.
across, beyond
a)
geo
b)
trans
c)
coel
d)
it is
63.
What can friction do?
a)
slow things down
b)
speed things up
c)
both slow things down and speed things up
64.
Slowing down is a type of acceleration.
a)
true
b)
false
65.
How does a helicopter or drone hover in place?
a)
the rotors push air down, and the air push the rotors up
b)
the rotors push air down and the air pushes against the ground
c)
the rotors spin and push air up.
66.
Equal positive and negative charge separated by a small distance.
a)
posi-negacharge
b)
electric duopole
c)
anti-field
d)
electric dipole
67.
The pattern of forces that exist around all charges.
a)
force
b)
charge
c)
potential
d)
field
68.
Why is this symbol "*" called an asterisk?
a)
pointy
b)
takes risks
c)
5 sided
d)
small star
69.
Acceleration can be defined as the rate at which an object changes its position.
a)
true
b)
false
70.
Which is change in momentum?
a)
pi + pf
b)
mvi - mvf
c)
pi - pf
d)
mvf - mvi
71.
The name of a box or cage that blocks electric fields.
a)
galilean box
b)
faraday cage
c)
maxwell cage
d)
isolation box
72.
The paths of the planets are…?
a)
ellipses
b)
circles
c)
ovals
d)
unpredictable
73.
What force holds the planets in orbit?
a)
normal
b)
gravity
c)
interstellar
d)
orbital
74.
Any object moving only under the influence of gravity.
a)
missile
b)
object
c)
system
d)
projectile
75.
The path of a projectile
a)
triangle
b)
parabola
c)
hyperbola
d)
semi-circle
100 %
