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A toy helicopter flies forward

with a force of 25 N into an
oncoming wind of 10 N. The
force of gravity pulls the
helicopter down with a force
of 15 N, but the propeller is
providing an upward force of
25 N.
Which of the following
accurately describes the
helicopter’s force?
(1 point)
The toy helicopter is
flying forward with a
force of 5 N and
upward with a force
of 5 N.
The toy helicopter is
flying forward with a
force of 15 N.
The toy helicopter is
flying forward with a
force of 15 N and
upward with a force
of 10 N.
The toy helicopter is
flying forward with a
force of 10 N and
upward with a force
of 5 N.

1 answer

To analyze the forces acting on the toy helicopter, we need to consider the net forces in both the forward direction and the vertical (upward and downward) direction:

  1. Forward Force:

    • Forward force by the helicopter: 25 N
    • Force of the wind acting against it: 10 N
    • Net forward force = Forward force - Wind force = 25 N - 10 N = 15 N

  2. Vertical Force:

    • Upward force from the propeller: 25 N
    • Downward force due to gravity: 15 N
    • Net upward force = Upward force - Downward force = 25 N - 15 N = 10 N

Combining the results, we find that the helicopter is:

  • Flying forward with a net force of 15 N.
  • Flying upward with a net force of 10 N.

Thus, the correct description of the helicopter’s force is: The toy helicopter is flying forward with a force of 15 N and upward with a force of 10 N.