Officials are looking into three different ski accidents. The accidents happened when three skiers (all with the same mass) were
skiing across the flat, snowy ground. They were each bumped by another skier, but not all from the same direction. These skiers changed speed as a result of being bumped. Use the information in the diagram to answer.
Which skier(s) experienced the strongest force when bumped? How do you know?
a
The skiers in the yellow and purple sweaters; both gained the same force as they sped up, but the skier in the red sweater lost force and slowed down.
b
The skier in the yellow sweater experienced the strongest force because he has the fastest ending speed.
c
All three skiers experienced the same strong force because they changed speed by the same amount.
d
The skier in the red sweater because it takes a stronger force to slow something down than to speed it up.
Which skier(s) experienced the strongest force when bumped? How do you know?
a
The skiers in the yellow and purple sweaters; both gained the same force as they sped up, but the skier in the red sweater lost force and slowed down.
b
The skier in the yellow sweater experienced the strongest force because he has the fastest ending speed.
c
All three skiers experienced the same strong force because they changed speed by the same amount.
d
The skier in the red sweater because it takes a stronger force to slow something down than to speed it up.
1 answer:
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