Two people stand on a frictionlcss icy surface. Person 1 has a larger mass than

Question

Two people stand on a frictionlcss icy surface. Person 1 has a larger mass than person 2. Person 1 pushes person 2 with his hands causing both people to slide. During the push while persons 1 and 2 arc still touching one another. neither person exerts a force on the other. each person exerts the same amount of force on the other. person 1 exerts a force on person 2. but 2 docs not exert any force on 1. each person exerts a force on the other, but 2 exerts the larger force. each person exerts a force on the other, but 1 exerts the larger force FCI question 30 was transformed by changing a concrete physical system, tennis ball. To another concrete system, baseball. Despite a very strong wind, a tennis player manages to hit a tennis ball with her racquet so that the ball passes over the net and lands in her opponent's court. Consider the following forces: a downward force of gravity. a force by the "hit." a force exerted by the air. Which of the above forces is (arc) acting on the tennis ball after it has left contact with the racquet and before it touches the ground A only A and ? A and C A,B and C. On a very windy day, a baseball player throws a baseball from the outfield to second base. Consider the following forces: a downward force of gravity. the force of the "throw." a force exerted by the air Which of the above forces is (are) acting on the base ball while it is in flight ? A only. A and B. A and C. B and C. A,B, and C

Explanation / Answer

FCIT[28] Each exerts same force on each other - Newton's Third Law. If you push on a 1 billion pound wall or a grain of sand, both will push back with a force equal and opposite to that which you pushed. FCI[29] A & C - gravity and air resistance. The force of the racquet is not acting on the ball once the ball is no longer in contact with the racquet. FCIT[30] A&C - same principle as the question before.

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