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Spring Force - Practice Questions & MCQ
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main
Quick Facts
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Spring Force is considered one of the most asked concept.
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32 Questions around this concept.
Solve by difficulty
A spring is compressed by a distance x. If the same spring is compressed by a distance of 2x, the force required to compress it by 2x will be:
What is the relationship between =spring constant and
=length of spring?
Assertion: The force exerted by a spring is directly proportional to its displacement from its equilibrium position.
Reason: The spring force follows Hooke's Law, which states that the force exerted by a spring is directly proportional to its displacement from its equilibrium position.
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For a Series combination of springs, the effective spring constant is given by?
For the parallel combination of springs having spring constant , the effective spring constant is given by?
A block with a mass of 6 kg is suspended from an ideal spring having negligible mass and stretches the spring by 0.3m. Then find the force constant of spring in N/m:
Which of the following graphs shows the spring constant $'k'$ versus length ' $l^{\prime}$ of the spring correctly?
Concepts Covered - 1
Spring Force
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Spring force is given by:
$
F_{s p}=-k \Delta x
$
where,
$\mathrm{F}_{\mathrm{sp}}=$ spring force
$\mathrm{k}=$ spring constant
$\Delta x=$ net elongation or compression in the spring
2. Force at every point in a massless spring remains same, so we can solve questions of spring by considering it as string and spring force as tension.
3. Spring constant:- $k \alpha \frac{1}{l}$
Where, k=spring constant
l=length of spring
4. Combination of Spring:-
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Series combination:-
$\frac{1}{k_{e q}}=\frac{1}{k_1}+\frac{1}{k_2}$
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Parallel combination:-
$k_{e q}=k_1+k_2$
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