PractiseQuestion bank
Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.
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12 questions
SA-9709-P4-EW-0092 marksL1 FoundationCalculatorWork
A box of mass 10 kg is pulled 8 m across a rough horizontal floor (μ=0.3). Find the work done against friction. Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW1-0011 markL1 FoundationCalculatorWork
A horizontal force of 25 N pushes a box 6 m across a floor. Find the work done by the force. Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW1-0022 marksL1 FoundationCalculatorWork
A sledge is pulled 10 m across horizontal snow by a rope with tension 40 N inclined at 25∘ above the horizontal. Find the work done by the tension, correct to 3 significant figures. Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW1-0031 markL1 FoundationCalculatorWork against gravity
A box of mass 30 kg is lifted vertically through 4 m. Find the work done against gravity. Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW1-0062 marksL1 FoundationCalculatorWork against gravity
A particle of mass 2 kg slides 6 m down a slope inclined at 30∘. Find the work done by its weight. Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW1-0081 markL1 FoundationCalculatorWork
A force does no work on a moving object when it acts
Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW-G012 marksL1 FoundationCalculatorWork
A crate is pulled 5 m along a horizontal floor by a force of 20 N at 30∘ above the horizontal. Find the work done by the force, correct to 3 significant figures. Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW-Q031 markL1 FoundationCalculatorWork
The work done by the normal reaction on a block sliding along a horizontal floor is
Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW1-0042 marksL2 StandardCalculatorWork against gravity
A particle of mass 5 kg is pulled 8 m up a smooth slope inclined at 30∘ to the horizontal. Find the work done against gravity. Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW1-0053 marksL2 StandardCalculatorWork
A block of mass 4 kg slides 5 m down a rough slope inclined at 20∘, with coefficient of friction 0.25. Find the work done against friction, correct to 3 significant figures. Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW1-0092 marksL2 StandardCalculatorWork against gravity
A crane does 9000 J of work lifting a 150 kg load vertically at constant speed. Find the height through which the load is lifted. Salam Academy Original Practice · Proposed mark scheme
SA-9709-P4-EW1-0074 marksL3 ExamCalculatorWork
A crate is pulled 12 m along a rough horizontal floor by a rope inclined at 30∘ above the horizontal, with tension 50 N. The friction force is 30 N. Find the work done by the tension (3 s.f.) and the work done against friction. Salam Academy Original Practice · Proposed mark scheme