8Jeremy throws his ball up in the air, but the ball falls back to the ground. What force made the ball move without ever touching the ball? A. the air pressure pushing on the ball B. magnetism pulling on the ball C. Jeremy's hand pushing on the ball D. gravity pulling on the ball
Question
8Jeremy throws his ball up in the air, but the ball falls back to the ground. What force made the ball move without ever touching the ball? A. the air pressure pushing on the ball B. magnetism pulling on the ball C. Jeremy's hand pushing on the ball D. gravity pulling on the ball
Solution
The force that made the ball move without ever touching the ball is D. gravity pulling on the ball. Here's why:
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When Jeremy throws the ball up in the air, he is initially applying a force to the ball. This force overcomes the force of gravity, allowing the ball to move upwards.
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Once the ball leaves Jeremy's hand, there are no more forces being applied to it (we're ignoring air resistance in this scenario). However, the force of gravity is still acting on the ball.
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Gravity is a force that pulls objects towards the center of the Earth. So even though Jeremy is no longer touching the ball, gravity continues to pull it downwards.
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As the ball moves upwards, it slows down
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