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Senior High School: 11th and 12th Grade
Physics
Forces - Forces And Elasticity
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Q.1
A force acting on an object can do what to it?
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Change its shape
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Make it breakfast
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Have no effect on it
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Not allow the object to get married
Q.2
If a force acts on an elastic object stretching the object, what kind of energy is stored within the object?
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Gravitational potential energy
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Tidal energy
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Chemical energy
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Elastic potential energy
Q.3
Which of the following items can store elastic potential energy?
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A paper clip
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A pencil
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A rubber band
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A USB pen drive
Q.4
How is the extension of an elastic object related to the force applied?
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Inversely proportional
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Directly proportional
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Dependent upon the material being extended
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None of the above
Q.5
Which formula correctly states the relationship between force and extension?
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F = e
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F= 2k x e
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F = k x 2e
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F = k x e
Q.6
What does k represent in the formula in question 5?
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The force on the object
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The extension of the object
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The spring constant
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The constant of extension
Q.7
If a material has a spring constant of 10 N/m and is extended by 1 m, what force must have been applied to the object?
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5 N
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10 N
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20 N
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50 N
Q.8
What is the size of the extension of an object which has a spring constant of 30 N/m when a force of 15 N is applied?
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0.5m
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1m
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2m
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10m
Q.9
A slinky is stretched from being a length of 15 cm to a length of 2 m. One end of the slinky is affixed to a point whilst a child pulls on the other end with a force of 10 N. What is the spring constant of the slinky?
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5.3 N/m
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5.4 N/m
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18.5 N/m
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20 N/m
Q.10
A spring is stretched to a point where, when released it does not return to its original length. What is this point called?
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Fracture limit
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Limit of proportionality
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Torsion limit
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Bohr's limit
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