7. two teams are competing in a tug-of-war contest. team a is pulling at 4000n and team b is pulling at 4900n is the opposite direction. sketch the forces and show the net force exerted. which team is winning is this force balanced or unbalanced?

The Team B is winning. The force is unbalanced.

Explanation:

Step 1: First we must fix a positive sense to the forces exerted. We take as positive the force of 4900 N.

Step 2: Now we must add forces to determine the value of the resulting force ().

= 4900 N - 4000 N = 900 N

Since is positive, team B will win the competition.

The resulting force is unbalanced because if it is balanced it should give 0.

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c- cold periods in earth's history during which glaciers covered much of the surface.

explanation: