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WorksheetsPhysical Science Semester Exam-Motion & Newton's Laws
Total questions: 21
Worksheet time: 11mins
An amusement park ride decreases its speed uniformly from 30 meters per second to 10 meters per second in 4.0 seconds. What is the magnitude of the car's acceleration?
5.0 m/s2
10.0 m/s2
20.0 m/s2
75 m/s2
The average velocity of a rolling ball over a 10.0 second interval is 2.0 meters per second. What is the total distance traveled by the object during this time interval?
20 m
5 m
0.2 m
10 m
The graph shows the motion of a car. What is the average speed of the car?
0.5 m/s
10 m/s
500 m/s
40 m/s
The graph shows the velocity of a bird over time. What does the graph indicate about the bird's motion?
It is speeding up
It is slowing down
It is not moving
It is traveling at constant speed.
In lab, Jared wants to measure the speed of a mouse as it travels in a maze. What measurements would Jared need to measure the mouse’s speed?
its initial speed and final speed
its total distance and total time
its initial speed and total distance
its final speed and total time
Martha drives to the store then turns around and drives to her friend’s house. The diagram to the right illustrates her path of travel. What is Martha’s total distance traveled?
7 km
3 km
10 km
4 km
Which animal in the table has the greatest speed?
gray fox
gazelle
cheetah
antelope
The speed limit for an average city road is 50 miles per hour, or about 75 kilometers per hour. Which animals would receive a speeding ticket if they traveled down the road at their average speed?
antelope, cheetah and gazelle
antelope, cheetah and gray fox
giraffe, gray fox and rabbit
gazelle, giraffe, and rabbit
What is the runner's displacement?
10 m
20 m
30 m
200 m
Which object is not accelerating in the 10s to 15s time interval?
W
X
Y
Z
Brianna is traveling in a car at a constant speed and in a constant direction. Once the brakes are applied, Brianna’s upper body continues to move forward until a force in the opposite direction is applied on his body. Brianna’s movement is an example of which scientific law?
law of inertia
law of gravity
law of conservation of mass
law of conservation of energy
According to Newton’s second law, what happens when the same force is applied to two objects of different masses?
The two objects experience the same acceleration
The object with the greater mass experiences a greater acceleration
The object with the greater mass will experience a smaller acceleration
The object with the smaller mass will experience a smaller acceleration.
If a bowling ball and a golf ball are dropped from a building from the same height, and there is no air resistance, which object will hit the ground first?
The bowling ball
The golf ball
They will both hit at the same time.
What will happen to the mass of a textbook if it is moved from Earth to the Moon?
the mass will increase
the mass will decrease
the mass will stay the same
the mass will cease to exist
An object with a mass of 10 kilograms is falling freely near Earth’s surface. Which of the following options BEST approximates the magnitude of the gravitational force that Earth exerts on the object? (HINT: Solve for weight)
100 m/s2
10 m/s2
1 m/s2
1000 m/s2
Which cart in the data table shown will have the greatest acceleration?
A
B
C
D
What is the net force acting on the cart shown?
5 N
11 N
1 N
16 N
Which of Newton’s Laws applies in the following situation? A mountain climber pulls down on a rope causing his body to lift upward and rise along the rope.
1st law
2nd law
3rd law
4th law
The same object is dropped from the same height on Earth and on the Moon. The table shows the gravitational force on the object in both locations. Why is the gravitational force different in each location?
The moon has more mass and gravity than Earth does.
Earth has less acceleration due to gravity than the moon.
Earth has more acceleration due to gravity than the moon
The mass of the object is different on Earth than on the moon.
Select the best statement that describes how the force of friction may be reduced?
change the floor surface from a smooth surface to a rougher more textured surface
change the mass of the block from a 10 kg box to a 20 kg box
add a lubricant to the surfaces
pull the box slower across the original smoother surface
A roller coaster cart has a mass of 2000 kg and accelerates at 10 m/s2. What is the magnitude of the force acting on the roller coaster cart?
20,000 N
200 N
2,000 N
10 N
