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Physics Quarter 2 Assessment
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Questions in this quiz (50)
1Which of the following forces is an example of a contact force?
- Agravitational force
- Belectric force
- Cmagnetic force
- Dfrictional force
2A late traveler rushes to catch a plane, pulling a suitcase with a force directed 30.0 degrees above the horizontal. If the force exerted on the handle is 70.0 N, what is the horizontal component of the force?
- A60.6 N
- B10.3 N
- C35 N
- D28.2 N
3Which of the following forces exists between objects even in the absence of direct physical contact?
- Africtional force
- Bfundamental force
- Ccontact force
- Dfield force
4A newton is equivalent to which of the following quantities?
- Akg
- Bkg x m/s
- Ckg x m/s^2
- Dkg/s^2
5The length of a force vector represents the...
- Acause of the force
- Bdirection of the force
- Cmagnitude of the force
- Dtype of force
6If the net force on an object is zero, then...
- Athe object may be in motion
- Bthe object has no acceleration
- Cthe object may be at rest
- Dall of the above
7Which of the following is the tendency of an object to maintain its state of motion?
- Aacceleration
- Binertia
- Cvelocity
- Dforce
8If a nonzero net force is acting on an object, then the object is definitely...
- Aat rest
- Bmoving with a constant velocity
- Cbeing accelerated
- Dlosing mass
9Which of the statement about the acceleration of an object is correct?
- AThe acceleration of an object is directly proportional to the net external force acting on the object and inversely proportional to the mass of the object.
- BThe acceleration of an object is inversely proportional to the net external force acting on the object and inversely proportional to the mass of the object
- CThe acceleration of an object is directly proportional to the net external force acting on the object and directly proportional to the mass of the object.
- DThe acceleration of an object is inversely proportional to the net external force acting on the object and directly proportional to the mass of the object.
10Which are simultaneous equal but opposite forces resulting from the interaction of two objects?
- Anet external forces
- Bfield forces
- Caction-reaction pairs
- Dgravitational forces
11Newton's third law of motion involves the interactions of...
- Aone object and one force
- Bone object and two forces
- Ctwo objects and one force
- Dtwo objects and two forces
12The magnitude of the gravitational force acting on an object is...
- Africtional force
- Binertia
- Cmass
- Dweight
13The measure of the tendency to resist acceleration is...
- Adensity
- Bweight
- Cforce
- Dmass
14A change in the gravitational force acting on an object will affect the object's...
- Amass
- Bcoefficient of static friction
- Cweight
- Dinertia
15What are the units of the coefficient of friction?
- AN
- B1/N
- CN^2
- DThe coefficient of friction has no units.
16A hammer drives a nail into a piece of wood. Identify an action-reaction pair in this situation.
- AThe nail exerts a force on the hammer; the hammer exerts a force on the wood.
- BThe hammer exerts a force on the nail; the wood exerts a force on the nail.
- CThe hammer exerts a force on the nail; the nail exerts a force on the hammer.
- DThe hammer exerts a force on the nail; the hammer exerts a force on the wood.
17Given a 12 kg box is sitting stationary on a horizontal surface and that the coefficient of static friction is 0.25. What is the horizontal applied force necessary to start the box moving?
- A3.0 N
- B29 N
- C118 N
- D.25 N
18You are driving at 30 mph when you step on the brakes. This causes your books, which were sitting on the seat beside you, to fly off the seat onto the floor. This happened because of...
- ANewton's First Law of Motion
- BNewton's Second Law of Motion
- CNewton's Third Law of Motion
19Which is true about static and kinetic friction?
- Astatic friction is always larger than kinetic friction
- Bkinetic friction is always larger than static friction
- Cstatic friction is always equal to kinetic friction
- Dthere is no relationship between static and kinetic friction
20Which of the following is a physical quantity that has a magnitude but no direction?
- Avector
- Bresultant
- Cframe of reference
- Dscalar
21Which of the following is an example of a vector quantity?
- Avelocity
- Btemperature
- Cvolume
- Dmass
22What is the definition of acceleration?
- Achange in speed / time
- Bchange in displacement / time
- Cchange in time / velocity
- Dchange in velocity / time
23To obtain the maximum horizontal displacement, what angle should a projectile be launched at?
- A45 degrees
- B55 degrees
- C40 degrees
- D60 degrees
24What is the path of a projectile?
- Aa wavy line
- Ba parabola
- Ca hyperbola
- Dprojectiles do not follow a predictable path
25Which of the following exhibits parabolic motion?
- Aa stone thrown into a lake
- Ba space shuttle orbiting Earth
- Ca leaf falling from a tree
- Da train moving along a flat track
26If a bullet is shot out of a rifle horizontally at 50 m/s from a height of 3 meters and at the same time a bullet is dropped from 3 meters, which hits the ground first?
- Athe dropped bullet
- Bthe bullet shot from the rifle
- Cthey hit at the same time
- Dthey never hit the ground
27What is the x-component of a ball hit at 35-degrees from the horizontal at 25 m/s?
- A25cos(35)
- B25tan(35)
- C25sin(35)
- D35cos(25)
28What is the y-component of ball hit at 35-degrees from the horizontal at 25 m/s?
- A25cos(35)
- B25sin(35)
- C35sin(25)
- D25tan(35)
29If the hypotenuse of a right angle is 14 meters and one of its legs is 5 meters, what is the length of the other leg to the nearest unit?
- A23 m
- B9 m
- C13 m
- D15 m
30In a projectile motion problem, what is the only variable that has the same value for both horizontal and the vertical components?
- Aacceleration
- Btime
- Cvelocity
- Ddisplacement
31Since only the force of gravity acts on an object, projectile motion can be considered what kind of motion?
- Afree fall
- Buniform
- Cresultant vector
- Dangled
32Which of the following describes average velocity?
- Adisplacement / time
- Btime / displacement
- Cdistance / time
- Dtime / distance
33When a car's velocity is negative and its acceleration is negative, what is happening to the car's motion?
- Athe car slows down
- Bthe car speeds up
- Cthe car travels at constant speed
- Dthe car remains at rest
34The acceleration during free fall of a coin that is tossed vertically upward...
- Aincreases
- Bremains the same
- Cdecreases
- Dis zero
35The physics definition of deceleration is...
- Anegative acceleration
- Bacceleration in the opposite direction as velocity
- Cpositive acceleration
- Dacceleration in the same direction as velocity
36A bowling ball with a negative initial velocity slows down as it rolls down the lane toward the pins. The bowling ball's acceleration is...
- Aincreasing
- Bdecreasing
- Cnegative
- Dpositive
37A baseball catcher throws a ball vertically upward and catches it in the same spot as it returns to the mitt. At what point in the ball's path does it experience zero velocity and negative acceleration at the same time?
- Amidway on the way up
- Bat the top of its path
- Cthe instant it leaves the catcher's hand
- Dthe instant before it arrives in the catcher's mitt
38If a ball is thrown vertically up at 10 m/s, what will be its velocity when it returns to its starting point?
- A10 m/s
- B-10 m/s
- C0 m/s
- D-0 m/s
39Which of the following is an area of physics that studies motion and its causes?
- Athermodynamics
- Bmechanics
- Cquantum mechanics
- Doptics
40Listening to your favorite radio station involves which area of physics?
- Aoptics
- Bthermodynamics
- Cvibrations and wave phenomena
- Drelativity
41To get the most out of lecture, a student should...
- Apay attention
- Bask questions
- Ctake notes
- Dall of the above
42What is an important factor of a hypothesis?
- Ait must be correct
- Bit must be subject to testing
- Cit must be a random guess
- Dit must be shared by all scientists
43Which statement is true about an instrument that is suffering from a systematic error?
- Amultiple samplings can improve the data
- Bit can still create data with high accuracy
- Cit has no use and should be thrown in the trash
- Dit can still create data with high precision
44What two dimensions, in addition to mass, are commonly used by physicists to derive additional measurements?
- Alength and width
- Barea and mass
- Clength and time
- Dvelocity and time
45The SI unit used to measure mass is the...
- Ameter
- Bsecond
- Ckilogram
- Dliter
46The SI unit for time is...
- A1 day
- B1 hour
- C1 minute
- D1 second
47Which approach will allow you to determine the units on the slope of a line on a graph?
- Adivide the units on the y-axis by the units on the x-axis
- Bdivide the units on the x-axis by the units on the y-axis
- Cmultiply the units on the y-axis by the units on the x-axis
- Dmultiply the units on the x-axis by the units on the y-axis
48How does a scientist reduce the frequency of human error and minimize a lack of accuracy?
- Atake repeated measurements
- Buse the same method of measurement
- Cmaintain instruments in good working order
- Dall of the above
49A marksman has a nice cluster of hits three inches to the left of the bullseye. The marksman is...
- Aaccurate
- Bprecise
- Cboth accurate and precise
- Dneither accurate nor precise
50The most appropriate SI unit for measuring the length of an automobile is the...
- Amicron
- Bkilometer
- Cmeter
- Dnanometer
Information
- Description
- all of the multiple choice questions from Chapters 1, 2, 3, and 4 remember SOHCAHTOA
- Author
- Alessia Toohey
- Language
- English
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- 8
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