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WorksheetsPhysics 1st Semester Exam Study Guide
Total questions: 50
Worksheet time: 2hrs 9mins
1
2
3
0
1
3
5
6
27000000
2
5
8
What is 78.5 rounded to one significant figure?
79
78.5
70
80
What is 0.658 rounded to 1 significant figure?
0
0.66
0.7
0.658
Francis ran the 100-meter dash in 11.1 seconds. What was his speed?
9.0 m/s
11.0 m/s
10.1 m/s
8.9 m/s
Constant Speed
Acceleration
Not moving
Constant speed
Acceleration
Not moving
This is a velocity-time graph. What is the object doing in segment A?
Speeding up
Slowing down
Constant Velocity
Not moving
Constant speed
Acceleration
Not moving
Positive acceleration
Negative acceleration
Constant Velocity
Not moving
This is a velocity-time graph. What is the object doing in segment C?
Speeding up
Slowing down
Constant Velocity
Not moving
A
B
C
D
What physical quantity is represented by the slope of a Position vs. Time plot?
acceleration
velocity
displacement
position
What physical quantity is represented by the slope of a Velocity vs. Time plot?
acceleration
velocity
displacement
position
Part A of the graph is from 0s to 25s. Which of these statements is true about Part A?
The object is at rest.
The object is accelerating (its velocity is increasing)
The object is decelerating (its velocity is decreasing)
The object is moving at a constant velocity.
A space probe has a mass of 225 kg. If the acceleration due to gravity on the surface of the Moon is 1.62 m/s², the weight of the probe when it lands on the Moon will equal.................
138.9 N
225 N
364.5 N
450 N
A body has a mass of 50 kg on the surface of Earth where the acceleration due to
gravity equals 9.8 m/s², thus: The weight of the body on the surface of Earth equals...............
5N
5.1 N
490 N
500 N
What is a scalar?
A quantity described by direction only
A quantity described by magnitude only
A quantity described by both a magnitude and a direction
A quantity with a magnitude of one
An empty quantity
What is a vector?
A quantity described by direction only
A quantity described by magnitude only
A quantity described by both a magnitude and a direction
A quantity with a magnitude of one
An empty quantity
Scalar or Vector: The airplane was flying 500 miles per hour due west from New York to California.
Scalar
Vector
Scalar or Vector: The temperature in Hawaii was a pleasant 75 degrees F.
Scalar
Vector
Scalar or Vector: The object was pulled down to the Earth with the force of 5 Newtons.
Scalar
Vector
Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his DISTANCE?
10 mi
7 mi
8 mi
6 mi
Distance and direction of an object's change in position from a starting point (HINT: Direct path from starting point to end point)
displacement
distance
motion
reference point
Jasmine runs exactly 3 laps around a 400 meter track. What is the DISPLACEMENT?
800 m
400 m
0 m
1200 m
David walks 3 km north, and then turns east and walks 4 km. What is the DISTANCE?
7 km
3 km
4 km
1 km
The independent variable always goes on the
x or horizontal axis
y or vertical axis
The dependent variable always goes on the
x or horizontal axis
y or vertical axis
Which letter matches the coordinate (4, -6)?
C
Z
K
None of the above
A car traveling at 75 km/h. In order for the car to be traveling at a constant velocity, what must be true? Check any that apply
The car must continue in the same direction
The car must maintain the same speed
The car must be constantly changing speed
The car must be constantly changing direction
Which pair of graphs represent the same motion?
pair 1
pair 2
pair 3
pair 4
While San San is running away from her problems, she runs 300 m forward, stops to catch her breath, then runs another 250 m forward.
True/False: Her distance and displacement are the same.
True
False
What is the net force on the object pictured?
3 N
5 N
4 N
8 N
If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?
3rd law
1st law
2nd law
A body has a mass of 50 kg on the surface of Earth where the acceleration due to
gravity equals 9.8 m/s², thus: The weight of the body on the surface of Earth equals...............
5N
5.1 N
490 N
500 N
______________ does not reveal about the direction of the motion. To describe how fast an object moves and the direction of its motion, we need the vector concept of _____________
speed , velocity
distance , time
speed , time
displacement, velocity
A wooden block of mass 2 kg moves on a horizontal surface when it is affected by a horizontal force of 6 N. If the magnitude of frictional force is 2 N, the acceleration of motion equals................
6 m/s²
2 m/s²
- 3 m/s²
-4 m/s²
If Luke leaves his home and goes to the mall and travels 20 miles, then goes back home 20 miles. What is his distance and his displacement?
Distance and displacement are 20 miles.
Distance is 20 miles, displacement 0 miles.
Distance 40 miles, displacement 40 miles.
Distance 40 miles, displacement 0 miles.
10 m/s
1000 m/s
100 seconds
10 seconds
6 m/s2 opposite the motion
2 m/s2 in the direction of motion
8 m/s2 opposite the motion
What is the rate of acceleration of the object between 0 and 4 seconds?
1 m/s
0 m/s2
-1 m/s2
1 m/s2
What is the average velocity of the object between 10 and 15 seconds?
6 m/s
1.5 m/s
-4 m/s
0 m/s
225 m/s
25 m/s
0.04 m/s
To tell that motion takes place, you must have a(n):
reference point
direction
position
speed
velocity
Velocity is...
The rate of change of acceleration
The rate of change of displacement
The rate of change of distance
The rate of change of speed
A bird flies 2 m/s. How far has the bird traveled after 1 min?
5 m
12 m
120 m
300 m
What is the difference between the displacement of a traveler who takes a train from San Francisco to Los Angeles and the displacement of a traveler who flies from Los Angeles to San Francisco
They are the same
Displacement of the second traveler is greater
They are of equal magnitude but opposite sign
None of the above
inertia
velocity
acceleration due to gravity
DO NOT PUSH ME
Because the elephants are the same size
Because they are both pulling the same amount of force in opposite directions
Because they are elephants
Because they are pulling away from each other.
