A student applied a range of forces to the ends of a copper wire and measured the corresponding new length of the wire. The force-extension graph for the wire is shown. What is the maximum force that could be applied and then removed such that the wire would go back to its original length?

materials-mcq-old-question

Quiz
•
Physics
•
12th Grade
•
Hard

Rico Ho
FREE Resource
34 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
200 N
300 N
400 N
500 N
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A girl dropped a stone into an empty well. She heard the sound of the stone hitting the bottom of the well after 4 seconds. The depth of the well is about
20 m
40 m
80 m
160 m
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A solid cylinder of diameter 0.025m is placed on a table. A force is applied to the cylinder, as shown. The stress in the cylinder, in pascals, can be calculated using
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following displacement-time graphs shows a particle starting from rest and reaching terminal velocity?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A spring is stretched by a force F. The energy stored in the spring is E. The spring is connected to a second identical spring. The combination is stretched by the same force F as shown. Which of the following is the total energy stored in the combination of two springs?
E
2E
4E
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A thin wire of uniform cross-sectional area is stretched by an increasing force. The corresponding stress-strain graph is shown. Points w, x, y, and z are shown on the graph. Select the row of the table that correctly identifies the yield point, the limit of proportionality, and the elastic limit.
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student drops small solid spheres through a liquid of viscosity η in a measuring cylinder. A small sphere of volume V falls at terminal velocity through the liquid. A larger sphere of volume 8 V is made of a different material. The larger sphere falls through the liquid at the same terminal velocity. The frictional force acting on the small sphere is F. Which of the following is the frictional force acting on the larger sphere?
512F
8F
2F
F
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