WorksheetsSemester 1 Review
Total questions: 40
Worksheet time: 54mins
What must be true about images used in a motion diagram?
They are taken at equal intervals of time
They are taken from different directions
They show different objects
They show the same position
What would the particle model of a parked car look like?
A single dot
Several dots equally spaced apart
Dots that get closer together
Dots that get further apart
To describe the motion of an object moving along a straight line, what must you know besides where the object is located?
When it was there
Where it went next
How it got there
How large it is
Which quantity is a Vector?
Position
Time
Distance
Temperature
Which description BEST matches the graph seen here?
A turtle walks slowly yet constantly across the street
A racecar driver speeds up as he nears the finish line
A softball player slides to a stop into home base
A frog sits on a log, pondering its soggy existence
Which quantity is a Scalar?
Speed
Velocity
Acceleration
Displacement
What does a vector have that a scalar does not?
Direction
Quantity
Delta
Magnitude
What is the point at which the value of each variable being studied is zero?
Origin
Position
Coordinate System
Interval
What does the Greek letter Delta (Δ) indicate?
A change in quantity
A change in direction
Minimum value
Maximum value
Which of the following best defines Displacement?
It is the change in position and is a vector
It is the change in position and is a scalar
It is the change in time and is a scalar
It is the change in time and is a vector
Which of these quantities are Scalar?
SELECT ALL THAT APPLY!
Time
Position
Speed
Velocity
Distance
Which of these quantities are Vector?
SELECT ALL THAT APPLY!
Displacement
Position
Speed
Velocity
Distance
A resultant vector is ________________
equal to the sum of one vector.
equal to the sum of two or more vectors.
equal to the difference of one vector.
What is the magnitude of the resultant vector, r?
3
4
5
7
What is the resultant of the two vectors shown above?
+5
-5
+15
-15
Which of the following BEST describes the vector shown?
45 cm
45 cm at 30 degrees North of East
45 cm at 30 degrees East of North
45 cm North East
Let's test your spatial recognition skills B)
Use the picture to answer the question.
Which color vector would be the Resultant of Black + Red?
green
purple
blue
orange
Acceleration is defined as the CHANGE in
time of motion to another place.
velocity
distance
speed
What is the acceleration for an object in Free Fall?
-9.8 m/s2
9.8 m/s2
Cannot be determined
0 m/s2
If you throw a baseball straight up, what is its velocity at the highest point?
- 9.8 m/s2
- 9.8 m/s
0 m/s2
0 m/s
If you throw a baseball straight up, what is its acceleration at the highest point?
- 9.8 m/s2
- 9.8 m/s
0 m/s2
0 m/s
A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground
the velocity increases
the velocity decreases
the velocity remain constant
A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground
the acceleration increases
the acceleration decreases
the acceleration remains constant
If a ball is thrown up at 40 m/s, about how many seconds does it take reach the top of its path? (Assume no air resistance)
8 s
4 s
10 s
0.1 s
A strange, bipedal blue hedgehog feels the need to go fast. Running with an initial speed of 20 m/s, it accelerates by 4.2 m/s2 for 10 seconds.
How far did this hedgehog go in this time period?
410 m
221 m
210 m
305 m
What is the net force acting on this object?
17 N to the Right
0 N
6 N Up
17 N to the Left
If the net force on an object is 0, we would say that the object is in ________
Balance
Equilibrium
Stasis
Cryosleep
A net force of 200 N is applied to a 40 kg box.
What would be the acceleration of the box?
5 m/s2
50 m/s2
0.2 m/s2
8000 m/s2
An astronaut exerts a 75 N force on a satellite. What is the magnitude of the force exerted by the satellite on the astronaut?
0 N
75 N
35 N
Cannot be determined
Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground first?
A
B
Both at the same time
A skateboarder rolls off a bridge into the river as shown. If the skateboarder was originally moving at 7.0 m/s, how much time did the skateboarder spend in the air?
1.3 s
0.79 s
38.5 s
0.70 s
Not enough information given.
An arrow is shot at 30o above the horizontal. Its velocity is 49 m/s.
What is the max height the arrow will attain?
0 m
31 m
210 m
123 m
What is the magnitude of the horizontal acceleration of a projectile?
0 m/s2
9.8 m/s2
What is the magnitude of the vertical acceleration of a projectile?
0 m/s2
9.8 m/s2
Which of the following is the best expression to calculate the Normal Force?
FN = mg cos(ϴ)
FN = mg sin(ϴ)
FN = mg sin(180-ϴ)
FN = mg cos(90-ϴ)
Joe wishes to hang a sign weighing 750 N. He uses two cables: A and B, attached to different buildings. Cable A makes an angle of 30o, as seen in the picture.
What is the tension in Cable B?
433 N
750 N
866 N
0 N
A box is held at rest on a frictionless incline as shown below. What is the tension, T, in the rope?
29 N
32 N
62 N
69 N
