Correct: Balanced: tug o' war, Unbalanced: seesaw, Balanced: duck on water, Balanced: stacked rocks, Unbalanced: tug o' war, Incorrect: Balanced: roller coaster, Balanced: ball on ramp, Unbalanced: rocks stacked, Balanced: kicking a ball, Unbalanced: buoy on water,

Balanced or Unbalanced Forces

द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

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