If forces acting on an object are unbalenced, which factor may result from an unbalenced force.

A. The net force is negative.
B. There is zero net force.
C. The forces cancel each other out.
D. There is no change in motion.

Where did the term “iron curtain” originate? the warsaw pact used the term iron curtain as a code word for communism. in a 1946 speech, british prime minister winston churchill said an iron curtain had fallen across the continent of europe. while visiting western europe in 1946, u. s. president harry truman commented that the mountains there looked like iron curtains. russian general secretary joseph stalin instructed citizens of eastern europe to hang iron curtains over their windows to protect themselves from stray bullets.