4th Class Science Force, Work and Energy Question Bank Force Work and Energy

  • question_answer
    When a hand blender is switched on, ___________ energy changes to _______ and _______ energy.

    A)  Mechanical, Sound, Heat        

    B)  Sound, Heat, Mechanical

    C)  Electrical, Heat, Potential        

    D)  Electrical, Kinetic, Sound

    Correct Answer: D

    Solution :

    A hand blender runs on electricity. When it is switched on, its blades rotate and a sound is also produced as the motor starts. Thus, electrical energy changes into kinetic energy and sound energy.


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