Work & Machines Test
Authored by Scott Sutherland
Physics
9th Grade
NGSS covered
Used 169+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is a measurement of power?
100 joules
100 watts
100 meters per second
100 hertz
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about work?
It measures how quickly an object accelerates
It measures how much effort is applied over a distance.
It measures the change of an object's rate of speed.
It measures how much time it takes to move an object.
Tags
NGSS.MS-PS3-4
NGSS.MS-PS3-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When is work being done?
When an object moves in the same direction as its force.
When an object moves in the opposite direction as its force.
When a force causes the object to move more quickly.
When an object stops moving.
Tags
NGSS.MS-PS3-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What units do we use to measure work?
watts
newtons
joules
meters
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In which of these cases is work being done?
A student sleeps all night.
A student pushes a locked door that does not move.
A student carries his chair into another room.
A student sits on the carpet.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A force exerted over a distance to move an object is ______________________.
power
work
momentum
Watt
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How do we calculate work?
W = F * d
w = f * D
W = F * D
w = f * d
Tags
NGSS.MS-PS3-4
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