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WorksheetsPS Midterm Review
Total questions: 111
Worksheet time: 2hrs 0mins
What is force in physics?
A power in star wars
A push or pull on an object
A stop on an object
The start of an object
What can force do to an object?
Accelerate an object
Slow down an object
Have the object remain in place
Have the object change shape
All of the above
What is the measure of force?
Newtons
Light years
Inches
Gallons
What type of force was at work in the parachute?
elastic spring force
frictional force (air resistance)
magnetic force
gravitational force
___________ is an opposing force that makes objects in motion slow down.
force
speed
friction
mass
The girls in this picture represent ________ forces (or 2 objects in equilibrium).
Which image is an example of a balanced force?
Image 1
(Top Image)
Image 2
(Bottom Image)
Which boy will have an easier time getting down the hill?
Boy A , because he is experiencing less friction than boy B.
Boy B, because he is experiencing more friction than boy A.
Newton's Third Law is also known as...
The Law of Inertia
The Law of Acceleration
The Law of Conservation of Momentum (Force Pairs)
A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?
A hockey puck glides to the right across the ice at a constant speed. What would the force diagram for this look like?
A downward-moving skydiver who has just opened the parachute is slowing down. Which force diagram shows this sitation?
What is the NET FORCE of this diagram?
17 N, right
17 N, left
23 N, right
12 N, up
How much force is required to accelerate a 1,800 kg truck at 3 m/s2? (a) Newtons
What is the mass of a person who weighs 500N
500kg
50,000kg
51kg
1kg
What is the weight of an object (on the moon) that has a mass of 151kg?
Gravity on the moon= 1.62 m/s/s
91N
93.2N
200N
244.6N
What is the mass of a person on Jupiter (gravity= 26m/s/s) who weighs 45N?
(a)
Mass is ________. (more than one answer)
the quantity of matter in an object.
the measure of an object's inertia.
equal to the weight of an object.
constant for most objects.
Weight is _________.
the quantity of matter in an object.
the measure of an object's inertia.
the force exerted by gravity on an object's mass.
equal to the mass of an object.
Weight is constant.
True
False
Mass is often constant for a given object.
True
False
from 3rd second to 5th second, the object is
moving at a constant speed
speeding up
not moving
slowing down
What is happening at E?
Stationary
Accelerating
Fast steady speed; moving away from the starting position
Steady speed; returning to start position
What is happening in this graph from point B to C?
The object is going down a hill.
The object is returning to its starting location.
The object is slowing down.
The object is staying still.
From t=1.0 second to t=3.0 seconds, the object is
moving at a constant speed
speeding up
not moving
slowing down
On a position-time graph, the position (distance) is plotted on the ____ axis.
x
y
According to the graph how far does the person travel in the first 5 seconds?
2 m
10 m
0 m
5 m
When was Marie driving the fastest?
C to D
D to E
E to F
What could account for Marie’s motion at 27 minutes?
She was late so she broke the speed limit
She forgot something at home and ran back to get it
She was stopped at a red light
She was driving across the top of a hill
It usually takes Marie 30 minutes to get to work. Did her trip take...
The average amount of time.
Longer then average amount of time.
Shorter then average amount of time.
How far away is Marie's work from her house?
40 mi
25 mi
20 mi
5 mi
How far did Marie go before she turned around?
20 mi
5 mi
10 mi
25 mi
During what period of time was Marie stopped?
0-5 minutes
5-10 minutes
10-25 minutes
25-30 minutes
What does the slope of a position-time graph represent?
Distance
Displacement
Velocity
Acceleration
What does the slope of a velocity-time graph represent?
Distance
Displacement
Velocity
Acceleration
Calculate the displacement traveled in section B. Hint: Remember the area under a v-t graph = displacement!
150 m
50 m
100 m
200 m
Calculate the displacement traveled in section C. Hint: Remember the area under a v-t graph = displacement and you will need to use TWO shapes!
200 m
100 m
50 m
400 m
The area under a velocity-time graph represents __________.
displacement
velocity
acceleration
length x width
The slope of a velocity-time graph represents __________.
acceleration
displacement
speed
distance
Use the graph above and pick the most accurate description of the object's motion
object is moving at constant speed
object is speeding up
object is at rest
object is slowing down
Use the picture above to choose the most accurate description of the object's motion
object is at rest
object is slowing down
object is moving at a constant speed
object is speeding up
At what time does the object switch directions?
15 minutes
40 minutes
10 minutes
30 minutes
Use the picture to choose the most accurate description of the object's motion
object is moving at constant speed in the positive direction
object is speeding up in the negative direction
object is speeding up in the positive direction
object is slowing down in the negative direction
Which of the following graphs don't show an object moving in the positive direction?
Use the picture above to choose the most accurate description of the object's motion
object is moving with a constant velocity in the negative direction
object is speeding up in the negative direction
object is slowing down in the positive direction
object is moving with a constant velocity in the positive direction
Use the picture above to choose the most accurate description of the object's motion
object is speeding up in the negative direction
object is slowing down in the negative direction
object is moving at constant speed in the negative direction
object slowing down in the positive direction
Which of the following cases would lead to an object slowing down?
positive acceleration, positive velocity
positive acceleration, negative velocity
negative acceleration, positive velocity
negative acceleration, negative velocity
The slope of the velocity-time graph tells us the
acceleration
displacement
velocity
direction of travel
In which of the following situations, is the object accelerating?
Calculate the speed of a dog running through a field if he is covering 23.7 meters in 54 seconds.
0.43 m/s
1,279.8 m/s
1.21 m/s
4.08 m/s
If a runner covers a distance of 347 meters in 134 seconds, what is her speed?
2.59 m/s
46,498 m/s
0.39 m/s
6.78 m/s
It took 3.5 hours to travel by train between two cities going 120 mph. How many miles did you travel?
420 mi
3.5 mi
210 mi
766 mi
How long would it take for a car to travel a distance of 200 kilometers if it is traveling at a speed of 55 km/hr?
3.6 hours
44 hours
12.5 hours
90 hours
A plane traveled for about 2.5 hours at a speed of 1200 km/hr. How many kilometers did it fly?
3,000 km
480 km
310 km
900 km
Mark slams on the brakes after traveling 25 m/s. It takes him 3 seconds to come to a complete stop. What is his acceleration?
8.33 m/s2
-8.33 m/s2
75 m/s2
-75 m/s2
How much time did it take Matthew to slow down to a complete stop, after traveling at 30 m/s. His acceleration is -12 m/s2
2.5 s
360 s
.4 s
-2.5 s
If Anthony was running for 300 s after starting at rest, what was his final velocity if he had an acceleration of 0.05 m/s2
.25 m/s
.01 m/s
100 m/s
15 m/s
Mars’ gravitational force is less than that of Earth’s . If an astronaut drops a hammer and its speed increases from 0 to 15 m/s in 4.04 s, what is the acceleration due to gravity on Mars?
9.8 m/s2
0.269 m/s2
60.6 m/s2
3.71 m/s2
What does this motion map indicate?
Forward at a constant velocity
Backward at a constant velocity
Forward getting faster
Backward getting faster
Forward slowing down then backwards getting faster.
What does this motion map indicate?
Forward at a constant velocity
Backward at a constant velocity
Forward getting faster
Backward getting faster
Forward slowing down then backwards getting faster.
What does this motion map indicate?
Forward at a constant velocity
Backward slowing down forwards getting faster
Backwards getting faster forwards slowing down
Forwards getting faster backwards slowing down
Forward slowing down then backwards getting faster.
What does this motion map indicate?
Forward at a constant velocity
Backward slowing down forwards getting faster
Backwards getting faster forwards slowing down
Forwards getting faster backwards slowing down
Forward slowing down then backwards getting faster.
What does this motion map indicate?
Forward at a constant velocity
Backward at a constant velocity
Forward slowing down
Forward getting faster
Backwards slowing down
What does this motion map indicate?
Forward at a constant velocity
Backward at a constant velocity
Forward slowing down
Forward getting faster
Backwards slowing down
Which is TRUE?
A is slower than C
B is the fastest
C is slowing down
all are going forward
Which is TRUE if the dots are 2 seconds apart and the scale is in meters?
A has a speed of 2 m/s.
B has a speed of 2 m/s.
A is going in the negative direction
A is moving slower than B
At the beginning of the motion map the object is?
moving at a velocity of 3 km/s
moving at a velocity of 4 km/s
at rest for 1 second
at rest for 3 seconds
Give the y-intercept
FIND THE SLOPE
A
B
C
D
FIND THE SLOPE.
A
B
C
D
The metric system units for velocity are
m/s
m/s2
m2/s
m2/s2
The metric system units for acceleration are
m/s
m/s2
m2/s
m2/s2
When an object is traveling at a constant velocity:
the acceleration is 0.
the acceleration is in the same direction as its velocity.
the acceleration is in the opposite direction of its velocity.
the acceleration is perpendicular to the velocity.
