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- 1. Multiple ChoiceIf F is force, k is spring constant and x is extension, Hooke's Law tells us that:F=k/xx=Fkk=FxF=kx
- 2. Multiple ChoiceHooke's Law fails when a material reaches its:breakdownelastic limitend of tetherfracture stress
- 3. Multiple ChoiceA graph of extension against force for an elastic material is:A downward curveAn upward curveA straight line from any point on the x and y axisA straight line from the origin
- 4. Multiple ChoiceA stiff material has a:high spring constantlow spring constantspring constant of any valuespring constant which is difficult to predict
- 5. Multiple ChoiceA spring has a spring constant of 5N/cm. What is its extension when loaded with 15N?4cm5cm3m3cm
- 6. Multiple ChoiceA spring extends 1.5m under load 10N. What is its spring constant?0.15N/m10N/m6.7N/m15N/m
- 7. Multiple ChoiceIf the Earth's gravitational field strength is 10N/kg, how much weight does a 100g mass have in Newtons?100g10N1N1000N
- 8. Multiple ChoiceWhich of the following springs is the stiffest?A spring that requires a froce of 2000 N to compress it by 6.8 m.A spring that requires a force of 4000 N to stretch it by 9.0 m.A spring that requires a force of 8000 N to compress it by 45 m.A spring that requires a force of 4800 N to stretch it by 14 m.
- 9. Multiple ChoiceA 25,000 N Car is supported by 4 springs. If each spring is deflected by 0.040 m what is the spring constant?160,000 N /m620,000 N/m630,000 N/m120,000 N/m
- 10. Multiple Choice
What Quantity can you calculate from the graph and give the magnitude of that quantity.distance 4.5 mForce 15 Nspring constant 20 N/mspring constant 200 N/m - Answer choicesTagsAnswer choicesTags