Lesson T2.2.6
T2.2.6 Stretching springs and Hooke's law Quiz: KS3 Physics, Unit 2
20 questions
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Lesson T2.2.6, Stretching springs and Hooke's law: 20 multiple choice questions for the KS3 Physics (National Curriculum), Unit 2: Motion and forces, written with Revision Ninja.
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The 20 questions
-
What relationship exists between force and extension for a spring below its proportional limit?
- Completely unrelated
- Exponentially related
- Inversely proportional
- Directly proportional
-
What is the standard scientific unit used for measuring force?
- Pascal
- Watt
- Joule
- Newton
-
What term describes the increase in a spring's length from its original unloaded state?
- Extension
- Amplitude
- Displacement
- Compression
-
A spring extends by 4 cm under 2 N. What extension is produced by 6 N?
- 24 cm
- 8 cm
- 6 cm
- 12 cm
-
What is the spring constant of a spring that stretches 5 cm under a 10 N force?
- 2 N/m
- 500 N/m
- 200 N/m
- 50 N/m
-
What happens to a spring stretched beyond its limit of proportionality?
- Stronger instantly
- Permanently deformed
- Becomes stiffer
- Contracts completely
-
What name is given to the energy stored within a stretched spring?
- Gravitational potential energy
- Elastic potential energy
- Kinetic energy
- Thermal energy
-
A spring is 10 cm unloaded and 14 cm when loaded. What is its extension?
- 10 cm
- 14 cm
- 24 cm
- 4 cm
-
Which instrument is used to measure the force applied to a spring?
- Voltmeter
- Thermometer
- Newtonmeter
- Barometer
-
What does a straight-line force-extension graph passing through the origin indicate?
- Zero extension
- Inverse proportionality
- Constant speed
- Direct proportionality
-
A spring extends 3 cm under 6 N. Within its limit, how far does it extend under 12 N?
- 3 cm
- 6 cm
- 9 cm
- 12 cm
-
How is the spring constant of a stretched spring calculated?
- Mass divided by extension
- Extension divided by force
- Force divided by extension
- Force multiplied by extension
-
How much work is done by a constant 5 N force moving 0.2 m?
- 1 J
- 10 J
- 0.25 J
- 2.5 J
-
A spring extends 2 cm under 4 N. What force gives an extension of 7 cm?
- 7 N
- 28 N
- 8 N
- 14 N
-
What is the standard SI unit for the spring constant?
- N/m
- N m
- J/m
- N
-
What type of deformation occurs when a stretched spring returns to its original length?
- Inelastic
- Plastic
- Permanent
- Elastic
-
A spring is 12 cm long unloaded. A load produces an 8 cm extension. What is its new length?
- 96 cm
- 20 cm
- 8 cm
- 4 cm
-
A spring extends 3 cm under 1.5 N. What extension does a 4.5 N force produce?
- 12 cm
- 6 cm
- 9 cm
- 4.5 cm
-
What relation between force and extension is described by Hooke's law?
- Inverse
- Linear
- Exponential
- Quadratic
-
Beyond which point does a spring's force-extension graph curve away from a straight line?
- Elastic limit
- Breaking point
- Yield point
- Limit of proportionality
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