Formal Assessment 4 In Physics Under Mr. Tan

9 Questions | Total Attempts: 101

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This is the fourth quiz for physics under my class. The result of this assessment will be added to a take home quiz. Password is physics. Please save the certificate and email to me your scores and certificates. My email is [email protected] Com


Questions and Answers
  • 1. 
    Newton's second law of motion has to something to do with
    • A. 

      Inertia

    • B. 

      Acceleration

    • C. 

      Reaction

    • D. 

      Action at a distance

  • 2. 
    Newton's 1st law has something to do with
    • A. 

      Inertia

    • B. 

      Acceleration

    • C. 

      Reaction

  • 3. 
    What force at 70 ° ; has an x-component of 0.450 Newtons? What is its y-component?
    • A. 

      (a) 1.3 N, (b) 1.2 N

    • B. 

      (a) 0.48 N, (b) 0.16 N

    • C. 

      (a) 0.15 N, (b) 0.42 N

    • D. 

      (a) 0.42 N, (b) 0.42 N

    • E. 

      (a) 0.53 N, (b) 0.53N

  • 4. 
    A certain force has a x component (East) of 30 N and a y component of the same magnitude (North). What is its direction?
    • A. 

      30 degrees N of E

    • B. 

      15 degrees N of E

    • C. 

      45 degrees N of E

    • D. 

      40 degrees E of N

    • E. 

      10 degrees N of E

  • 5. 
    A rocketship moves in outer space even though there is nothing to push against. This is an application of the __ of motion
    • A. 

      1st law

    • B. 

      2nd law

    • C. 

      3rd law

  • 6. 
    People need seatbelts to prevent injuries from the tendency of the body to surge forward because of collisions. This tendency follows the __ of motion
    • A. 

      1st law

    • B. 

      2nd law

    • C. 

      3rd law

  • 7. 
    Two objects with different masses are pushed by a force of similar magnitude. If no other force is acting on them then
    • A. 

      The smaller mass will have less less acceleration

    • B. 

      Both objects will have the same acceleration

    • C. 

      The smaller mass will have greater acceleration

    • D. 

      Both will attain the same velocity

  • 8. 
    Two guys have different masses. The guy with a bigger mass has greater weight than the guy with smaller mass in the presence of a gravitational field. This is an application of the __
    • A. 

      1st law

    • B. 

      2nd law

    • C. 

      3rd law

  • 9. 
    You decide to measure your body weight with a spring scale inside an elevator. The elevator is inexplicably cut from its cable and goes into free fall. What would the measure in the spring scale be?
    • A. 

      It would be slightly less than your real weight

    • B. 

      The measure on the spring scale will be greater than your weight

    • C. 

      Your body mass will change because of free fall

    • D. 

      The measure on the spring scale will be 0

    • E. 

      How could this ever happen to me?

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