AIC SS1 Physics Revision Test 2nd Term
 1. 1. What is friction?A) A force that causes motion between two surfaces in contactB) A force that opposes motion between two surfaces in contactC) A force that depends on the weight of an objectD) A force that exists only in liquids2. 2. Which of the following is NOT a type of friction?A) Relative frictionB) Dynamic frictionC) Kinetic frictionD) Static friction3. 3. When does static friction occur?A) When an object is at rest on a surfaceB) When an object is sliding down a slopeC) When two surfaces are in relative motionD) When an object is moving at constant velocity4. 4. Which type of friction is usually easier to overcome?A) Kinetic frictionB) Rolling frictionC) Fluid frictionD) Static friction5. 5. What is an advantage of friction?A) It causes objects to slip easilyB) It helps in moving objects easilyC) It generates heat which is useful in winterD) It reduces wear and tear of surfaces6. 6. What is a disadvantage of friction?A) It reduces the efficiency of machinesB) It helps in walkingC) It makes writing on paper easierD) It increases the grip between tires and roads7. 7. What is viscosity?A) The tendency of a liquid to evaporateB) The resistance of a fluid to flowC) The ability of a liquid to flow easilyD) The measure of a gas's density8. 8. How does temperature affect viscosity in liquids?A) Temperature has no effect on viscosityB) Higher temperature decreases viscosityC) Higher temperature increases viscosityD) Temperature affects viscosity differently in different liquids9. 9. What is terminal velocity?A) The velocity at which an object starts fallingB) The maximum velocity attained by an object in free fallC) The velocity at which an object stops movingD) The velocity at which friction becomes zero10. 10. How can terminal velocity be experimentally verified?A) By measuring the velocity of an object at restB) By dropping an object and measuring its velocity as it fallsC) By measuring the velocity of an object on a frictionless surfaceD) By measuring the acceleration of an object in free fall11. 11. What is density?A) The resistance of an object to accelerationB) The volume of an object per unit of massC) The weight of an object per unit of volumeD) The mass of an object per unit of volume12. 12. What is relative density?A) The density of a substance compared to the density of waterB) The density of a substance compared to the density of airC) The density of a substance compared to the density of goldD) The density of a substance compared to the density of iron13. 13. What is upthrust?A) The force exerted by gravity on an objectB) The force exerted by an object on a liquidC) The force exerted by an object on a surfaceD) The force exerted by a liquid on an object immersed in it14. 14. According to Archimedes Principle, what happens when an object is immersed in a fluid?A) It floats if its density is less than the fluid's densityB) It sinks if its density is less than the fluid's densityC) It floats if its density is greater than the fluid's density15. 15. According to the law of floatation, what determines whether an object will float or sink in a fluid?A) Its massB) Its densityC) Its weightD) Its volume16. 16. What is pressure?A) Force exerted per unit volumeB) Force exerted per unit areaC) Force exerted per unit distanceD) Force exerted per unit mass17. 17. According to Pascal's principle, what happens to pressure in a fluid when an external pressure is applied?A) It decreases throughout the fluidB) It increases throughout the fluidC) It depends on the type of fluidD) It remains constant throughout the fluid18. 18. Which equation represents the relationship between velocity, initial velocity, acceleration, and time?A) v = u * a * tB) v = u - atC) v = u + atD) v = u / a * t19. 19. How is acceleration defined in terms of velocity and time?A) Change in distance per unit timeB) Change in distance per unit velocityC) Change in velocity per unit timeD) Change in time per unit distance20. 20. If a car accelerates from 10 m/s to 30 m/s in 5 seconds, what is its acceleration?A) 6 m/s²B) 4 m/s²C) 8 m/s²D) 10 m/s²21. 21. If an object starts from rest and accelerates at 2 m/s2 for 10 seconds, what is its final velocity?A) 20 m/sB) 2 m/sC) 10 m/sD) 5 m/s22. 22.A) CB) DC) AD) B23. 23. The pressure in different liquids at the same depth varies _____A) indirectly with volumeB) directly with volumeC) inversely with densityD) directly with density24. 24. Given that pressure is P, force F and Area A, then:A) P = F²A²B) P = √F\AC) P = A/FD) P = F/A25. 25. A rectangular water tank of weight 4.5 x 103N measures 2.0m by 1.5m. Calculate the minimum pressure it can exert when resting on a horizontal surface.A) P = 5 x 103Nm-2B) P = 2.5 x 103Nm-2C) P = 0.5 x 103Nm-2D) P = 1.5 x 103Nm-226. 26.A) DB) AC) BD) EE) C27. 27. The ratio of mass to the volume of a material is _____A) FloatationB) DensityC) UpthrustD) Pressure28. 28.A) CB) BC) DD) A29. 29.A) CB) BC) DD) A30. 30.A) DB) BC) AD) C31. 31. _____, ______ and _____ are the three forces acting on a body when it is immersed in a liquid.A) Density, pressure and viscous forceB) Density, upthrust, weightC) Viscous force, upthrust and weightD) Viscous force, mass, upthrust32. 32.A) DB) AC) CD) B33. 33.A) EB) CC) AD) BE) D34. 34.A) EB) CC) BD) DE) A35. 35. A car accelerates uniformly from rest at 5ms-2. Determine its speed after 10s.A) 2.0ms-1B) 25.0ms-1C) 50.0ms-1D) 0.5ms-136. 36. ____ is the rate of increase in velocity with time.A) DistanceB) VelocityC) AccelerationD) Speed37. 37. The velocity-time graph is a graph with:A) Velocity on the vertical axis and time on the horizontal axisB) Acceleration on the vertical axis and velocity on the horizontal axisC) Velocity on the vertical axis and acceleration on the horizontal axisD) Time on the vertical axis and velocity on the horizontal axis38. 38.A) AB) DC) CD) B39. 39. A stone is dropped in a cylinder of water and another stone is dropped in a cylinder of engine oil. What is the effect of the experiment?A) The stone dropped in the cylinder of water gets to the bottom fasterB) The stone dropped in the cylinder of engine oil gets to the bottom fasterC) They both stop at the middle of the cylinderD) They both get to the bottom at the same time40. 40. A liquid is said to be _____ when its viscosity does not change.A) ViscostaticB) ViscidityC) ViscoelasticD) Viscoidal41. 41. ____ states that the upthrust on an object completely or partially immersed in a fluid (liquid or gas) is equal to the weight of the fluid displaced.A) Newton's principleB) Pascal's principleC) Archimedes principleD) Brownian's principle42. 42.A) CB) AC) DD) B43. 43. ____ is an instrument used to measure the relative density of liquids directly.A) HygrometerB) BarometerC) HydrometerD) Calorimeter44. 44.A) BB) EC) CD) AE) D45. 45.A) CB) AC) BD) D46. 46.A) AB) BC) CD) D47. 47. The upward force exerted by a fluid on an object completely or partially immersed in it is known as ____A) Friction forceB) Reaction forceC) WeightD) Upthrust48. 48. _____ is the time rate of decrease in velocityA) DistanceB) Uniform velocityC) AccelerationD) Retardation49. 49. ____ is a vector quantityA) DistanceB) AccelerationC) MassD) Time50. 50. ____ and ____ are the two types of forcesA) Contact forces and field forcesB) Magnetic forces and contact forcesC) Push forces and pull forcesD) Field forces and push forces
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