AIC SS 1 Physics 3rd C.A for 2nd Term
  • 1. The movement of an object whose vertical motion is altered by the presence of gravity is referred to as___________
A) Gravitational force
B) Motion under gravity
C) Force
D) Motion
  • 2. A motor car is uniformly retarded and brought to rest from a velocity of 36km/h in 5secs. Find it's retardation during this period.
A) 7.2m/s²
B) 2m/s²
C) -2m/s²
D) -7.2m/s²
  • 3. ____________ is an object/body launch into the air and allowed to move on its own freely under gravity.
A) Harmonic motion
B) Projectile
C) Motion
D) Gravitational force
  • 4. The time required for a projectile to return to the same level from which it was projected is called____________
A) Maximum height
B) Time of flight
C) Pendulum
D) Projection
  • 5. Which of the following is an application of projectile?
A) Drawing
B) Dancing
C) Runny
D) Warfare
  • 6. A quality that has only magnitude but no direction is called_________
A) Vector quantity
B) Fundamental quantity
C) Scalar quantity
D) Derived quantity
  • 7. Which of these is not an example of vector quantity?
A) Speed
B) Velocity
C) Momentum
D) Force
  • 8. If the resultant displacement is equal to zero
A) Work is done
B) None of the the above
C) Force is not applied
D) Work is not done
  • 9. The product of force and the perpendicular distance in the direction of the applied force is_______
A) Force
B) Motion
C) Work
D) Power
  • 10. A filled drum of oil of Total mass 150kg rolls down from the floor of a lorry 2m high. Calculate the work done by gravity on the load.
A) 30kj
B) 3j
C) 3000j
D) 300kj
  • 11. Which of the following is not a similarity between work and energy?
A) They are both measured in joules
B) None of the above
C) They are both scalar quantity
D) They are denoted by J
  • 12. Which of the following is not a similarity between potential and kineticenergy
A) They are both measured in joules
B) Energy is due to motion
C) They are forms of mechanical energy
D) None of the above
  • 13. Which of these is not true about power?
A) It is the rate of work done or energy expended
B) None of the above
C) It is measured in watts
D) Instrument for measurement is wattmeter
  • 14. Which of these is not true about energy?
A) It is measured in joules
B) It has no exact instrument for measurement
C) Instrument for measurement is velometer
  • 15. _________ are instruments for doing the apparently impossible or difficult tasks.
A) Equilibrium
B) Projectile
C) None of the above
D) Machine
  • 16. The ratio of load to effort is _________
A) Mechanical advantage
B) Efficiency
C) Velocity ratio
D) Distance moved
  • 17. If the fulcrum (F) is in between the load(L) and the effort (E) it is
A) Second class lever
B) Third class lever
C) Fourth class lever
D) Fist class lever
  • 18. If the load (L) is in between the fulcrum(F) and the effort (E) it is
A) Second class lever
B) Third class lever
C) First class lever
D) Fourth class lever
  • 19. If the effort (E) is in between the load(L) and the fulcrum (F) it is
A) First class lever
B) Second class lever
C) Fourth class lever
D) Third class lever
  • 20. A rigid bar which is capable of rotating about a fulcrum is called
A) Pulley
B) Include plane
C) Wedge
D) Lever
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