What is the SI unit of variable force? a) Newtons b) Joules c) Ampere d) Mole
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What is the SI unit of variable force?
a) Newtons
b) Joules
c) Ampere
d) Mole

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- What does the ammeter in the given diagram read? (units for the following are mA) a. 100 b. 180 c. 200 d. 300 e. 50089) Try to solve this question, no handwritten, only typing6. The student investigated the properties of a 15cm long spring and plotted the graph below. 30 10 25 20 FORCE/N 15 10 19 9 S 20 20 40 60 Extension/ cm a. Beyond which force Hooke's Law no longer applies? b Determine the spring constant of the spring using the graph 80 60 V What's the entire length of the spring when a mass of 600g is attached to it d What force will be required to stretch another spring from 23 to 28 cm, if it has a spring constant that's 3 times greater than the one mentioned in part (b)?