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Unit3- Unbalanced Forces
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卡片总数: 5 张•内容版本: v4•公开卡包•更新时间: 8/1/2026
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#1
正面 (问题)
What are balanced forces?
背面 (解答)
When two forces acting on an object are equal in size but act in opposite directions, we say that they are balanced forces.
#2
正面 (问题)
What are the criteria of balanced forces.
背面 (解答)
The arrows must be the same length. The force size (N) must be the same. The forces must be in opposite directions.
#3
正面 (问题)
What is an unbalanced force?
背面 (解答)
When they do not meet the balanced criteria they are unbalanced.
#4
正面 (问题)
What is a resultant force?
背面 (解答)
The overall force acting on the object. (How much it moves). Balanced forces do not have a resultant force.
#5
正面 (问题)
What should you state when calculating the resultant force.
背面 (解答)
The size of the force. The direction.