Newton's Laws STAAR Review
Authored by Charles Martinez
Other Sciences
8th Grade
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a space shuttle was launched, the astronauts onboard experienced an acceleration of 29 m/s. If one of the astronauts has a mass of 20 kg, what net force in Newtons did the astronaut experience? Force = mass x acceleration
5800
580
58
5.8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student uses a magnet to move a 10.0 g metal ball. The magnet exerts a force of 5N, which causes the ball to begin to move. What is the acceleration of the ball when it begins to move? Force = mass x acceleration.
0.5 m/s/s
500 m/s/s
50 m/s/s
0.005 m/s/s
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car is moving at a constant speed of 3 m/s when a force of 25N is acting on it. What will happen if the force is changed to 35N?
The car will move at a constant speed of 13 m/s
The speed of the car will not change.
The speed of the car will increase.
The speed of the car will decrease to 1 m/s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the velocity of an object?
150 m/s
150 m/s east
150 m east
30 m/s/s
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the acceleration of an object
A car maintains a constant speed
A car is sitting still
A car turns the corner
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the difference between the velocity and the speed of an object?
Velocity is the change in distance over time, while speed is the change in velocity over time.
Velocity has a direction associated with it, while speed has no specific direction.
Velocity has no direction associated with it, while speed has a specific direction.
Velocity is the change in speed over time, while speed is the change in distance over time.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two cars with different masses travel at the same speed down a hill toward a stop sign. What will happen when both cars apply brakes at the same time to stop?
The car with the smaller mass will require less force to stop than the car with the larger mass
The car with the larger mass will maintain its velocity while traveling down the hill.
The car with the smaller mass will take longer to stop than the car with the larger mass
The car with the larger mass will have less inertia than the car with the smaller mass.
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