Equilibrium Question Preview (ID: 52727)
Grade 8 Hook's Law.
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At equilibrium the two forces F1 F2 are such that :
a) 1- F1 greater F2
b) 2- F1 Smaller F2
c) 3- Equal
d) 4- None of the above choices
( R ) (W) vectors of body rests on a table are of
a) 1- Same Point of application
b) 2- same Direction
c) 3- Different Magnitude
d) 4- opposite directions
In a spring L0 represents :
a) 1- New length
b) 2- Elongation
c) 3- Initial length
d) 4- Weight
the unit of weight in SI unit is:
a) 1- N
b) 2- Kg
c) 3- Ton
d) 4- g
∆L = x represents :
a) 1- New length
b) 2- Elongation
c) 3- Initial length
d) 4- Force
The formula of a weight is W = :
a) 1- m/g
b) 2- mg
c) 3- m - g
d) 4- m + g
The law T = K x is called :
a) 1- Hook’s law
b) 2- Ohm’s law
c) 3- Ampere’s law
d) 4- None of the above choices
: If K = 1N/cm then its value is:
a) 1- 1 N/m
b) 2- 10N/m
c) 3- 1000N/m
d) 4- 100N/m
Given the elongation of spring is 10cm and K =1N/cm then the weight of load is
a) 1- 1N
b) 2- 10N
c) 3- 100N
d) 4- 0.1N
The elongation of spring is proportional to its elongation this statetement of
a) Joule's law
b) Current law
c) Ohm's law
d) Hook's law
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