Review Quiz
Answer the following questions by writing the capital letter of the correct answer on the answer sheet.
1 – A quantity represented by both magnitude and direction is called a:
A) vector B) scalar C) force D) displacement E) none of these
2 – Which quantity below is an example of one having magnitude and direction?
A) speed B) temperature C) time D) distance E) none of these
3 – An object with a constant velocity must have:
A) a constant acceleration B) a changing acceleration
C) zero acceleration D) a negative acceleration
4 – A measure of the rate at which distance is traveled defines:
A) acceleration B) distance C) displacement D) speed E) velocity F) none of these
5 – Acceleration is the rate at which what is changing?
A) acceleration B) distance C) displacement D) speed E) velocity F) none of these
6 – A car with an initial velocity of 20 m/s is uniformly accelerated. If the average speed of the car was 30 m/s, what is its final speed?
A) 10 m/s B) 20 m/s C) 30 m/s D) 40 m/s E) 50 m/s F) 60 m/s
7 – A race car completes 500 laps around a 20 mile circular course in 2.5 hours. What is the car’s average velocity?
A) 200 mi/hr B) 25 mi/hr C) 9 mi/hr D) 50 mi/hr E) -200 mi/hr F) 0 mi/hr
8– A car travels east at a constant velocity. The net force on the car is:
A) East B) West C) Up D) Down E) Zero
9 – At the apex of it’s flight, what is the acceleration of a ball thrown upward?
A) 0 m/s B) 9.8 m/s up C) 9.8 m/s down D) 9.8 m/s2 up E) 9.8 m/s2 down
10– A 1200 kg car crashes into a 4500 kg Truck. Which vehicle receives the greater force?
A) The Truck B) The Car C) Both receive the same Force
11 – A ball with a weight of 8.5 N is thrown at an angle of 60o above the horizontal with an initial speed of 21 m/s. Assuming free fall conditions, what is the net force on the ball at the highest point?
A) 0 N B) 9.8 N C) 8.5 N D) 8.5sin(60o) N
12 – A boat is traveling due east at 20 m/s. A gust of wind blows to the north at a rate of 15 m/s. What is the resulting magnitude of the boat’s velocity?
A) 35 m/s B) 5 m/s C) 25 m/s D) 10 m/s
13 – What is the resulting direction the boat in number 12 travels?
A) North East B) East 37o North C) North 37o East D) East 53o North
14 – A truck uniformly accelerates from rest at a rate of 3 m/s2. What is the truck’s displacement after 8 seconds?
A) 192 m B) 96 m C) 72 m D) 12 m
15 – A duck swimming at a rate of 2 m/s slows to rest over a span of 12 meters. What is the acceleration of the duck?
A) 0.17 m/s2 B) – 0.17 m/s2 C) – 0.08 m/s2 D) – 0.33 m/s2
16 – Which of the following is an expression of Newton’s First Law of Motion?
A) An object at rest stays at rest, an object in motion stays in motion, unless acted upon by a net external force.
B) An object’s acceleration is directly proportional to the net force acting upon the object and indirectly proportional to the object’s mass.
C) For every action there is in equal and opposite reaction.
17 – Which of the following is an expression of Newton’s Third Law of Motion?
A) An object at rest stays at rest, an object in motion stays in motion, unless acted upon by a net external force.
B) An object’s acceleration is directly proportional to the net force acting upon the object and indirectly proportional to the object’s mass.
C) For every action there is in equal and opposite reaction.
18 – A 35 kg mass is dropped from a height of 23 meters. With what velocity will it strike the ground?
A) 450 m/s B) 15 m/s C) 21 m/s D) 11 m/s
Use Figure #1 to answer questions 19 through 21.
19 – During which time segment is the child at rest?
A) 0 – 2 seconds
B) 2 – 4 seconds
C) 4 – 8 seconds
D) 8 – 10 seconds
E) Both A and D
Figure #1
20 – During which time segment is 21 – What is the average velocity of the
the child moving backwards? child during the 4 – 8 second interval?
A) 0 – 2 seconds A) 0 m/s
B) 2 – 4 seconds B) 1 m/s
C) 4 – 8 seconds C) – 1 m/s
D) 8 – 10 seconds D) 1.25 m/s
E) Both A and D E) – 1.25 m/s
Figure #2
Use Figure #2 to answer questions 22 through 24.
22 – At which time is the child at rest?
A) 0 seconds
B) 3 seconds
C) 5 seconds
D) 9 seconds
E) None of these
23 – Which time segment shows the child moving always backwards?
A) 0 – 2 seconds
B) 2 – 4 seconds
C) 4 – 8 seconds
D) 8 – 10 seconds
E) None of these