Simplified:

On the HSK 3 vocabulary list, at CEFR level B1.

jiàng ㄐㄧㄤˋ

    • stubborn
    • unyielding

qiáng ㄑㄧㄤˊ

    • strong
    • powerful
    • better
    • slightly more than
    • vigorous
    • violent
    • best in their category, e.g. see 百強|百强[bai3 qiang2]

qiǎng ㄑㄧㄤˇ

    • to force
    • to compel
    • to strive
    • to make an effort

Where 強 is used

Sources