The diagram shows a stand. The stand holds a heavy mass above the bench.
Which two changes would definitely make the stand more stable?
Turning Effects of Forces
Quiz
•
Physics
•
10th - 12th Grade
•
Medium
S Frans
Used 12+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram shows a stand. The stand holds a heavy mass above the bench.
Which two changes would definitely make the stand more stable?
Lower the mass and make the base narrower.
Lower the mass and make the base wider.
Raise the mass and make the base narrower.
Raise the mass and make the base wider.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A force of 4.0 N acts on a beam as shown.
The line of action of the force is a distance x from a pivot. The moment of this force about this pivot is 8.0 N cm.
What is distance x?
0.50 cm
2.0 cm
12 cm
32 cm
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A uniform plank rests on a pivot at its centre. Two children P and Q sit on the plank in the positions shown.
The mass of child P is 25 kg. The plank is balanced. What is the mass of child Q?
20 kg
25 kg
31 kg
45 kg
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A length of thread is attached to a lamina at point P, as shown in the diagram.
The lamina is free to rotate about point Q. The tension in the thread is F.
What is the moment of F about Q?
Fw
Fx
Fy
Fz
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A student balances a non-uniform object on a pivot. To do this, a weight is suspended near the left-hand end of the object, as shown.
Where is the centre of mass of the object?
A
B
C
D
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