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Other Sciences, Physics
8th -
12thgrade
2021 Spring Final Review - Part 1
50 questions
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- 1. Multiple Choice
a=Fnet/m
Newton's 1st Law of Motion
Newton's 2nd Law of Motion
Newton's 3rd Law of Motion
- 2. Multiple Choice
What pulls a ball back to earth?
Gas
Gravity
Friction
Molecules
- 3. Multiple ChoiceIs this statement TRUE or FALSE: If the forces acting on an object are balanced, the object CANNOT be moving.TRUEFALSE
- 4. Multiple ChoiceWhat can a force do?all of these optionsstart a motionstop a motionchange the direction of the motion
- 5. Multiple ChoiceTrue or false: There is only one force acting on a book sitting stationary on the table-top.TrueFalse
- 6. Multiple Choice
A force of 90N is applied to each cart below, which one will have the biggest acceleration?
Cart 1
Cart 2
Cart 3
Cart 4
- 7. Multiple Choice
Which would fall with greater acceleration in a vacuum—a leaf or a stone?
the leaf
the stone
They would accelerate at the same rate.
It is difficult to determine without more information.
- 8. Multiple Choice
Acceleration of an object is directly proportional to the mass of the object.
True
False
- 9. Multiple Choice
The reason a tennis ball and a solid steel ball with the same diameter will accelerate at the same rate in the absence of air resistance, is that
they have the same mass
the ball that experiences the larger force also has the smaller mass
the ball that experiences the larger force also has the larger mass
the force acting on them is the same.
- 10. Multiple Choice
Mrs. Renner's stress apple weighs 3N. When held at rest in her hand, the net force on the apple is
0 N
0.3 N
3 N
30 N
- 11. Multiple Choice
A person is standing on a skateboard. A constant force on the person produces
constant velocity
constant acceleration
both constant velocity AND acceleration
neither constant velocity nor acceleration
- 12. Multiple Choice
Net force determines
motion
change in motion
- 13. Multiple Choice
What is the property that describes an object's resistance to a change in motion?
gravity
inertia
force
friction
- 14. Multiple Choice
Inertia is a force
True
False
- 15. Multiple Choice
Inertia refers to _____ (Select all that apply)
the tendency of moving objects to remain in motion
the force which keeps moving objects in motion with a constant velocity
the force that keeps stationary objects at rest
the tendency of stationary objects to remain at rest
- 16. Multiple Choice
List the objects in order from least to greatest inertia.
CDBA
ABCD
BCDA
CBAD
- 17. Multiple Choice
Which of the following energy forms is the sum of kinetic energy and all forms of potential energy?
Total Mechanical Energy
Nonmechanical Energy
Sum Energy
Elastic Potential Energy
- 18. Multiple ChoiceAs the skier goes down the hill, ________ energy increases while _______ energy decreases.Gravitational; KineticKinetic; GravitationalElastic; KineticKinetic; Elastic
- 19. Multiple Choice
On a roller coaster, where is maximum gravitational potential energy?
At the bottom of a big hill
When going around a corner
When going upside down
At the top of a big hill
- 20. Multiple Choice______ is energy stored by things that stretch or compress.Elastic kinetic energyGravitational potential energyElastic potential energyChemical kinetic energy
- 21. Multiple ChoiceWhat type of energy is in this picture?KineticElastic PotentialGravitational PotentialThermal
- 22. Multiple Choice
Consider a pendulum swinging back and forth. At a specific point in time, the above bar chart is seen. What can you tell about the pendulum?
The bob is at the very bottom of its swing.
The bob is at the very top of its swing.
The bob is half-way between the top and the bottom.
The bob is close to the top of its swing
The bob is close to the bottom of its swing.
- 23. Multiple Choice
If your cup of hot chocolate is really hot that means it has a lot of this type of energy.
Chemical
Thermal
Electrical
Potential
- 24. Multiple Choice
A wind-up toy has a spring that stores energy when it is wound up gently. When the toy is released, elastic potential energy transfers into ____________ energy.
electrical
kinetic
potential
light
- 25. Multiple Choice
If you pick up a skater and place her on the ramp at 6 meters and there is a little friction involved, about how high on the other side could she go?
8 meters
0 meters
4 meters
6 meters
- 26. Multiple Choice
As the skier goes down the hill, his speed _______
Increases
Stays the same
Decreases
Kinetic; Elastic
- 27. Multiple Choice
Which of the following matches the energy bar chart pictured?
- 28. Multiple ChoiceOn a roller coaster, where is maximum potential energy?At the bottom of a big hillWhen going around a cornerWhen going upside downAt the top of a big hill
- 29. Multiple ChoiceFriction removes energy from a system by…Destroying itConverting it into thermal energy.Converting it back into potential energyIncreasing momentum
- 30. Multiple Choice
If an object has a mass of 250 kg, what is its mass on the moon?
250 kg
2450 kg
2450 N
400 kg
400 N
- 31. Multiple ChoiceDoes the speedometer of a car read average speed or instantaneous speed?average speedinstantaneous speed
- 32. Multiple ChoiceWhen a car goes around a corner at 20 miles per hour, why do we say it accelerates?The car is accelerating because of the velocity is constantThe car accelerates because it's going 20 mphCars always accelerate when they are in motionThe car is accelerating because it's changing direction
- 33. Multiple Choice
Which is correct?
speed = change in position x time
speed = speed divided by time
speed = change in position divided by time
Speed = time x speed
- 34. Multiple ChoiceSpeed is a vector quantity.TrueFalse
- 35. Multiple Choice
Suppose a minivan is moving in a straight line and steadily increases it speed. The speed changed from 35 km/hr to 40 km/hr the first second, 40 to 45 the next second. What is the minivan's acceleration?
10 km/hr/s
35 km/hr/s
5 km/hr/s
40 km/hr/s
- 36. Multiple Choice
It is possible for two objects to have the same speed but different velocities.
true
false
- 37. Multiple ChoiceAny change over time is called a(n) _____.averagedisplacementnet forcerate
- 38. Multiple Choice
Average speed is inversely proportional to
displacement
time
acceleration
distance
- 39. Multiple Choice
Acceleration is
the rate at which the stop light is changing
the rate at which speed is changing
the rate at which position is changing
the rate at which velocity is changing
- 40. Multiple Choice
If you are moving in a positive direction, a negative acceleration means:
slowing down
speeding up
constant speed
- 41. Multiple Choice
If you are moving in a positive direction, a zero acceleration means
speeding up
slowing down
constant speed
- 42. Multiple Choice
If you are moving in a negative direction, a positive acceleration means
slowing down
speeding up
constant speed
- 43. Multiple Choice
Describe the car's motion (assume to the right is positive).
The car moves with a rightward velocity and a rightward acceleration.
The car moves in the rightward direction with a leftward acceleration.
The car moves with a constant, leftward velocity.
The car moves in the leftward direction with a leftward acceleration.
- 44. Multiple Choice
Describe the car's motion (assume to the right is positive).
The car moves with a rightward velocity and a rightward acceleration.
The car moves in the rightward direction with a leftward acceleration.
The car moves with a constant, leftward velocity.
The car moves in the leftward direction with a leftward acceleration.
- 45. Multiple Choice
What does the slope of a position vs time graph represent?
Velocity
Acceleration
Postion
- 46. Multiple Choice
What is the slope of this position vs time graph?
5 m/s
10 m/s
10 m/s2
5 m/s2
- 47. Multiple Choice
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
- 48. Multiple Choice
In the position vs. time graph, what type of motion does the line represent?
Acceleration
No motion
Deceleration
Constant Velocity
- 49. Multiple Choice
This chart represents the velocity of a bicycle over time. Select the correct statement regarding the bicycle's movement.
The bicycle has constant velocity.
The bicycle has constant speed.
The bicycle is accelerating.
The bicycle has 0 acceleration.
- 50. Multiple Choice
In the position vs. time graph, what type of motion does the line represent?
Acceleration
No motion
Deceleration
Constant Velocity
- Answer choicesTagsAnswer choicesTags