Momentum and Moments - iGCSE triple content

Quiz
•
Physics
•
9th - 10th Grade
•
Hard
Paul Thompson
Used 183+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A moment is best described as...
a force acting parallel to a distance from a pivot.
a force acting over a distance.
the rotation of an object.
a force acting at a perpendicular distance from a pivot.
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Two children, A and B, are sitting on a see-saw, as shown in the figure below.
The see-saw is balanced.
Calculate the moment of child B about the pivot of the see-saw in N m. (just write the value, no units needed)
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Two children, A and B, are sitting on a see-saw, as shown in the figure below.
The see-saw is balanced.
Calculate the weight of child A if they are sitting 80 cm from the pivot of the see-saw in N. (just write the value, no units needed)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A camera boom is used at a television studio to allow filming from different positions.
Figure 1 shows the arm of the boom in three different positions.
In which position will the weight of the camera cause the largest moment about the pivot?
A
B
C
They are all the same moment.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A camera boom is used at a television studio to allow filming from different positions.
Complete the sentence.
When the moment caused by the weight of the camera increases, the moment caused by the counterweight ____________________ .
decreases
does not change
increases
They are all the same moment.
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
The camera has a mass of 5.0 kg
gravitational field strength = 9.8 N/kg
Calculate the weight of the camera. write the unit symbol with your answer.
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Figure 2 shows the 5 kg camera boom in a new position, D.
Calculate the moment about the pivot caused by the weight of the camera when the arm of the boom is in position D in Nm. (no unit needed)
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