Answer Key: Motor Block_Unit Level

Submitted by Randy Steele on 16 July, 2011 - 09:22

Answer Key: Unit Quiz

  1. A) Which Motor is being controlled
    B) Which Direction (or stopped) the motor will turn
    C) Constant (apply full power immediately), or Ramp Up or Down (slowly adjust power to specified setting).
    D) Power Level for Motor
    E) Automatically increase motor power toward 100%  if motor starts becoming stuck
    F) How long/far (or unlimited) the motor should run
    G) Wait until specified motor movement is complete before moving to next block in program
    H) Stop abruptly or remove power and allow motor to slowly coast to  stop
  2. When an immediate application of full power might cause the motor to slip.  For example, wheels on a soft or loose surface
  3. When the motor is driving a heavy load.  For example, a lifting arm or wheels moving up a ramp
  4. 1)  Motor Power Control available
    2) Action parameter available
    3) No Wait-for-Completion when a fixed duration is set (rotations, degrees, or seconds)
    4) Using two Motor blocks to control steering (rather than the course Move block slider) gives finer steering control
    5) Motor blocks take up less space in the NXT memory