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Midterms

20 Questions
Midterms

This quiz covers the topics in. There are ten items in this assessment.

Questions and Answers
  • 1. 
    Distance and displacement  of an object has the same value
    • A. 

      Sometimes

    • B. 

      Never

    • C. 

      Always

  • 2. 
    What is the density (in kg/m3 of a cube whose side 2 m and whose mass is 8 kg?
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      4

    • E. 

      8

  • 3. 
    What is the density (in kg/m3 which displaces about 500 m3 in a container and whose mass is 50000?
    • A. 

      0.1

    • B. 

      100

    • C. 

      1000

    • D. 

      5000

    • E. 

      10000

  • 4. 
    The period of a simple pendulum follows this formula The length of the pendulum's string is 980 m. What is the period of vibration of the pendulum
    • A. 

      29.5

    • B. 

      12.3

    • C. 

      33.1

    • D. 

      45.6

    • E. 

      62.8

  • 5. 
    is the formula for the simple harmonic motion of a pendulum. What is the length of a pendulum's string if the period of the pendulum's vibration is 2π (2 times pi)?
    • A. 

      4.5

    • B. 

      9.8

    • C. 

      12.2

    • D. 

      41.5

    • E. 

      61.5

  • 6. 
      No matter where you press a toothpaste tube, paste comes out of the opening. This is an application of
    • A. 

      Pascal's principle

    • B. 

      Archimedes ' principle

    • C. 

      Bernoulli's principle

  • 7. 
    Airplanes can fly because of this principle
    • A. 

      Pascal's principle

    • B. 

      Archimedes ' principle

    • C. 

      Bernoulli's principle

  • 8. 
    This principle is related to buoyancy
    • A. 

      Pascal's principle

    • B. 

      Archimedes ' principle

    • C. 

      Bernoulli's principle

  • 9. 
    We can inhale the exhaust fumes of a jeepney even when we are inside the moving vehicle. This is an application of 
    • A. 

      Pascal's principle

    • B. 

      Archimedes ' principle

    • C. 

      Bernoulli's principle

  • 10. 
    The angle at which an object starts to slide across a surface is not dependent on its weight
    • A. 

      True

    • B. 

      False

  • 11. 
    The force and the acceleration may have the same value and units
    • A. 

      Sometimes

    • B. 

      Always

    • C. 

      Never

  • 12. 
    An object which remains at rest means no external force are acting on it
    • A. 

      Sometimes

    • B. 

      Always

    • C. 

      Never

  • 13. 
    Hydraulics is an application of this principle
    • A. 

      Pascal's principle

    • B. 

      Archimedes ' principle

    • C. 

      Bernoulli's principle

  • 14. 
    Aerodynamics is an application of this principle
    • A. 

      Pascal's principle

    • B. 

      Archimedes ' principle

    • C. 

      Bernoulli's principle

  • 15. 
    The vertical velocity of a projectile at the peak of its flight is
    • A. 

      Dependent on the final horizontal velocity

    • B. 

      Equal to -9.8

    • C. 

      Equal to 9.8

    • D. 

      Zero

  • 16. 
    Unit for pressure
    • A. 

      Newtons

    • B. 

      Joules

    • C. 

      Molecules

    • D. 

      Atmosphere

  • 17. 
    Friction of layers in a liquid
    • A. 

      Osmosis

    • B. 

      Viscosity

    • C. 

      Turbulence

    • D. 

      Laminar flow

  • 18. 
    A rectangular solid with a density of 10 kg per cubic meter has a height of 2000 cm. It has a length of 3 cm but the width is unknown. What is the pressure applied to the ground underneath it?
    • A. 

      20000 Pa

    • B. 

      20 Pa

    • C. 

      200 Pa

    • D. 

      1.0 atm

    • E. 

      1 mm Hg

  • 19. 
    Force per unit area
    • A. 

      Joules

    • B. 

      Watts

    • C. 

      Power

    • D. 

      Energy

    • E. 

      Pressure

  • 20. 
    A person's mass is proportional to his
    • A. 

      Weight

    • B. 

      Energy

    • C. 

      Work

    • D. 

      Power