SPS8C
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the net force acting on a stationary object is zero, then the object will (1 pt.)
Decelerate at a steady rate of speed
Accelerate in the direction of the strongest force
Begin moving backwards
Remain at rest.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following does not indicate velocity?
20 miles from Sandy Springs to Decatur
36 mi/h towards downtown Atlanta along Peachtree Street
22 ft/s SSE
82 km/h going from Georgia to Louisiana
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The difference between speed and velocity is that velocity includes (1 pt.)
Weight
Direction
Distance
Time
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following statements are true of inertia? List the two that apply. (2 pts.)
Inertia is a force.
Inertia is a force which keeps stationary objects at rest and moving objects in motion at constant velocity.
All objects have inertia.
A more massive object has more inertia than a less massive object.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A car accelerates at a rate of 3.0 m/s2 after stopping at a red light. If the mass of the car is 3000 kg, what force does its engine exert?
1000 N
3000 N
0.05 N
9000 N
Tags
NGSS.MS-PS2-2
6.
OPEN ENDED QUESTION
1 min • 1 pt
A roofer needs to get a stack of shingles onto a roof. Pulling the shingles up manually uses 1,549 N of force. The roofer decides that it would be easier to use a system of pulleys to raise the shingles. Using the pulleys, 446 N are required to lift the shingles. What is the mechanical advantage of the system of pulleys? Explain your answer. (12 pts.)
Evaluate responses using AI:
OFF
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
7.
OPEN ENDED QUESTION
1 min • 1 pt
A book is pushed a distance of 0.78 m by a force that gives the book an acceleration of 1.54 m/s2. If 1.56 J of work is done on the book, what is the book’s mass? Explain your answer.
(12pts.)
Evaluate responses using AI:
OFF
Tags
NGSS.MS-PS2-2
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