Unit 1 Test: 8th Physical Science
Authored by Jody Hoffmann
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate work?
Work=Force × Distance
Work=Mass × Velocity
Work=Speed × Time
Work=Acceleration × Time
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In this speed over time graph. What is happening in section A?
They are speeding up.
They are moving at a constant speed.
They are slowing down.
They are stopped.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In this speed over time graph. What is happening in section B?
They are speeding up.
They are moving at a constant speed.
They are slowing down.
They are stopped.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In this speed over time graph. What is happening in section D?
They are speeding up.
They are moving at a constant speed.
They are slowing down.
They are stopped.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Buckets with varying weights are being moved a distance of 2m. Using the formula to calculate work: How much work was done to move the 5 kg bucket?
50J
100J
200J
150J
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following units is used to measure work?
Newton
Joule
Watt
Meter
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does increasing the distance an object is moved affect the work done, assuming force remains constant?
Decreases the work done
Does not change the work done
Increases the work done
Reduces the force needed
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