PractiseQuestion bank
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12 questions
SA-IAL-M1-ST2-0012 marksL1 FoundationCalculatorRough ground
A 10 kg box rests on rough horizontal ground with μ=0.4. Find the least horizontal force that will move it. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST2-0032 marksL1 FoundationCalculatorRough ground
An 8 kg block is on the point of slipping when a horizontal force of 30 N acts on it. Find μ, to 3 significant figures. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST2-0071 markL1 FoundationCalculatorRough slopes
A particle is in limiting equilibrium on a rough surface. This means
Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST-Q011 markL1 FoundationCalculatorRough ground
A box rests on rough ground with no horizontal force acting. The friction on it is
Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST-0043 marksL2 StandardCalculatorRough ground
A box of mass 4 kg rests on rough horizontal ground. A horizontal force of 15 N is applied and the box is on the point of slipping. Find the coefficient of friction, to 3 significant figures. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST-0052 marksL2 StandardCalculatorRough slopes
A block rests on a rough plane inclined at angle α, where tanα=43. It is on the point of slipping down. Find the coefficient of friction. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST2-0021 markL2 StandardCalculatorRough ground
A 5 kg box rests on rough ground with μ=0.5. A horizontal force of 20 N acts on it. What happens? Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST2-0042 marksL2 StandardCalculatorRough slopes
A block on a rough plane inclined at 25∘ is on the point of slipping down. Find μ, to 3 significant figures. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST2-0062 marksL2 StandardCalculatorRough slopes
A 2 kg block rests in equilibrium on a rough plane inclined at 30∘ (the friction is not limiting). Find the friction force. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST2-0082 marksL2 StandardCalculatorRough slopes
A block rests on a rough plane with μ=0.6. The angle of the plane is slowly increased. At what angle does the block start to slip, in degrees to 1 decimal place? Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST2-0054 marksL3 ExamCalculatorRough ground
A 10 kg box rests on rough ground (μ=0.5). It is pulled by a rope at 30∘ above the horizontal and is on the point of moving. Find the tension, to 3 significant figures. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-M1-ST-0077 marksL4 ChallengingCalculatorRough slopes
A block of mass 2 kg rests on a rough plane inclined at 20∘ (μ=0.3). A force P acts up the line of greatest slope. Find, to 3 significant figures, (i) the smallest P that stops the block slipping down and (ii) the largest P before it slides up. Salam Academy Original Practice · Proposed mark scheme