ICSE Class 10 Machines — Mock Test (2027)
Free online mock test for Machines (ICSE Class 10 Physics) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Machines chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.Why is the mechanical advantage of a lever of the second order always greater than one?
- A.The load arm is longer than the effort arm.
- B.The effort arm is greater than the load arm.
- C.The fulcrum is placed at the center of the lever.
- D.The lever rotates at a constant speed.
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2.A door is 1 m wide. It can be closed by an effort of $25\mathrm{N}$, when effort is applied at a distance of $0.4\mathrm{m}$ from the hinge. What effort is needed, if it is applied at its extreme end?
- A.$40\mathrm{N}$
- B.$80\mathrm{N}$
- C.$10\mathrm{N}$
- D.$5\mathrm{N}$
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3.A lever which can have mechanical advantage either less than one or more than one depending upon the position of fulcrum is a lever of:
- A.Third order
- B.Second order
- C.First order
- D.none of these
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4.The handle of a nutcracker is $16\mathrm{cm}$ long and a nut is placed $2\mathrm{cm}$ from its hinge. If a force of $4\mathrm{kgf}$ is applied at the end of the handle to crack it, what weight, if simply, placed on the nut will crack it?
- A.$15\mathrm{kgf}$
- B.$32\mathrm{kgf}$
- C.$4\mathrm{kgf}$
- D.$9\mathrm{kgf}$
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5.Define the term efficiency of a machine. Which of the following best explains why a machine cannot be 100% efficient?
- A.Efficiency is the ratio of useful work output to work input, and energy losses occur due to friction and heat dissipation.
- B.Efficiency is the total work done by the machine, and losses occur because machines require constant maintenance.
- C.Efficiency is the speed at which a machine operates, and losses occur due to wear and tear of parts.
- D.Efficiency is the force applied by the machine, and losses occur because machines cannot lift heavy loads.
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