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Gravitational and Electrical Fields

暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。

卡片总数: 4 张•内容版本: v4•公开卡包•更新时间: 8/1/2026

卡片预览 (4 张)

#1
正面 (问题)

State Newton’s Law of Universal Gravitation

背面 (解答)

Every particle with mass in the universe attracts every other particle with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres

#2
正面 (问题)

Define gravitational field

背面 (解答)

The force acting per unit mass

#3
正面 (问题)

State Coulomb’s Law in words

背面 (解答)

Two point charges exert forces on each other. The force is directly proportional to the product of the charges and inversely proportional to the square of the distance between the charges

#4
正面 (问题)

Define electric field at a point

背面 (解答)

The force per unit positive charge