Salam Academy
Sign inCreate account
Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

Sign in to check answers. Your attempts build your mastery and error book.

12 questions

SA-FM-EL-0022 marksL1 FoundationCalculatorElastic energy
Find the elastic potential energy in a spring of natural length 0.50.5 m and modulus 4040 N compressed by 0.10.1 m.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-G012 marksL1 FoundationCalculatorHooke's law
An elastic string has natural length 22 m and modulus 3030 N. Find the tension when it is stretched to 2.52.5 m.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-Q011 markL1 FoundationNon-calculatorElastic energy
If the extension of an elastic string is tripled, the stored energy
Choose one option

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-X011 markL1 FoundationCalculatorHooke's law
An elastic string has natural length 0.50.5 m and modulus 2020 N. Find the tension when it is extended by 0.10.1 m.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-X021 markL1 FoundationCalculatorElastic energy
Find the elastic energy stored in the same string at that extension, in J.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-X031 markL1 FoundationCalculatorHooke's law
A spring of natural length 0.250.25 m and modulus 5050 N is compressed by 0.050.05 m. Find the thrust in N.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-0012 marksL2 StandardCalculatorHooke's law
A 22 kg particle hangs in equilibrium on an elastic string of natural length 1.51.5 m and modulus 4949 N. Find the extension in metres (g=9.8g=9.8).

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-0032 marksL2 StandardCalculatorEnergy problems
The spring in the last question launches a 0.20.2 kg ball along a smooth table. Find its speed in m s−1^{-1}.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-0042 marksL2 StandardCalculatorHooke's law
A string of natural length 0.80.8 m stretches to 11 m when a 0.50.5 kg mass hangs from it. Find the modulus λ\lambda (g=9.8g=9.8).

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-X042 marksL2 StandardCalculatorHooke's law
A 33 kg mass hangs at rest on an elastic string of natural length 1.21.2 m, extending it by 0.40.4 m. Find the modulus (g=9.8g=9.8).

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-X053 marksL3 ExamCalculatorEnergy problems
A 0.40.4 kg ball on a smooth table is held against a spring (natural length 0.30.3 m, modulus 6060 N) compressed by 0.10.1 m, then released. Find its speed in m s⁻¹ (3 s.f.).

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FM-EL-0054 marksL4 ChallengingCalculatorEnergy problems
A 0.50.5 kg particle hangs on an elastic string (natural length 11 m, modulus 4949 N) fixed at OO. It is pulled down to 1.51.5 m below OO and released. Find its speed in m s−1^{-1} when the string becomes slack (g=9.8g=9.8).

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme