Additional: Force, Mass And Acceleration

10 Questions  I  By Stephen Carpenter
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Physics Quizzes & Trivia
A quiz on the basic points linking Force and Acceleration.

  
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Questions and Answers

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  • 1. 
    If an object is moving at a constant velocity, the forces on it are:-
    • A. 

      Unequal

    • B. 

      Resolved

    • C. 

      Forwards

    • D. 

      Balanced

    • E. 

      Opposite


  • 2. 
    If there is a constant resultant force on an object the following will be happening:-
    • A. 

      It's acceleration is increasing

    • B. 

      It's acceleration is decreasing

    • C. 

      It is moving with constant speed

    • D. 

      It is moving with constant acceleration

    • E. 

      It is stationary


  • 3. 
    To cause an object that is moving to slow down you must:-
    • A. 

      Balance the forces

    • B. 

      Apply a resultant force in the direction of motion

    • C. 

      Apply a resultant force in the opposite direction to the motion

    • D. 

      Apply a resultant force at right angles to the motion

    • E. 

      Make sure the forces are in equilibrium


  • 4. 
    If a bicycle and rider of mass 80kg is accelerating at 1.5m/s2 the force pushing it is:-
    • A. 

      0.02N

    • B. 

      81.5N

    • C. 

      120N

    • D. 

      120m

    • E. 

      120kg


  • 5. 
    A lorry accelerates at 6m/s2 when the engine provides a resultant force of 48kN. What is the mass of the lorry?
    • A. 

      133kg

    • B. 

      28800kg

    • C. 

      80kg

    • D. 

      8000g

    • E. 

      8000kg


  • 6. 
    An aircraft of mass 4T gets 16kN of force from the engines. It's acceleration will be:-
    • A. 

      64m/s2

    • B. 

      4000m/s2

    • C. 

      4m/s2

    • D. 

      64000m/s2

    • E. 

      250m/s2


  • 7. 
    A motorcyclist of mass 250kg accelerates from rest to 20m/s in 4s. What is the force from the engine?
    • A. 

      1250N

    • B. 

      50N

    • C. 

      1000N

    • D. 

      5000N

    • E. 

      20000N


  • 8. 
    A seatbelt brings a passenger to a stop from 12m/s in just 2s. If the passenger has a mass of 60kg, what is the force exerted by the seatbelt?
    • A. 

      720N

    • B. 

      360N

    • C. 

      10N

    • D. 

      2.5N

    • E. 

      0.25N


  • 9. 
    Which of the following does NOT affect the thinking distance of a driver.
    • A. 

      Drugs

    • B. 

      Alcohol

    • C. 

      Fog

    • D. 

      Speed of the car

    • E. 

      Tiredness


  • 10. 
    Which of the following conditions have to be true when a parachutist reaches Terminal Velocity
    • A. 

      The forces on her must be balanced

    • B. 

      Her weight must be greater than air resistance

    • C. 

      Her weight must be less than air resistance

    • D. 

      Her speed must be greater than her weight

    • E. 

      Her speed must be less than air resistance


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