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Motion Graphs And Work
Test Description: Changes in Motion and Work 6.8D, 7.7A
Instructions: Answer all questions to get your test result.
1) In which situation is the most work occurring?
A
C. Leaving the 5kg box on the ground and not moving it
B
A. Moving a box up an inclined plane into the moving van
C
B. Picking up an identical box and moving it into the moving van
D
D. Both A and B
2) If a box is moved a distance of 10 meters with a force of 12 Newtons, how much work was done? Work = Force x Distance
A
1.2Joules
B
120 Joules
C
2 Joules
D
1200 Joules
3) What is the distance a load is moved if 1400 Joules of work is done with a force of 10 Newtons? Work = Force x Distance
A
1.4 meters
B
140 meters
C
14000 meters
D
14 meters
4) When two teams play tug-of-war and both sides pull so hard that neither side is moving, is there any work being done?
A
Yes, because both sides are balanced
B
No, because there is no movement
C
Maybe, depends on which side wins
D
Yes, because there is no movement
5) A horizontal line on a distance-time graph shows...
A
the object is accelerating
B
the object is traveling at a constant speed
C
the object is slowing down
D
the object is not moving
6) A change in speed or direction is...
A
acceleration
B
velocity
C
motion
D
speed
7) A line curving upwards on a speed-time graph represents
A
the object is slowing down
B
the object is traveling at a constant speed
C
the object is accelerating
D
the object is not moving
8) A straight horizontal line on a speed-time graph means
A
the object is slowing down
B
the object is accelerating
C
the object is traveling at a constant speed
D
the object is not moving
9) On a distance-time graph, the steeper the line
A
the longer the time
B
the faster the motion
C
the slower the motion
D
the further the distance
10) On a speed-time graph, the steeper the line means
A
not moving
B
faster the acceleration
C
slower the acceleration
D
traveling at a constant speed
*select an answer for all questions
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