Multiple choice general knowledge science & technology How many Dynes are there in one gram weight? 900 375 981 250 Reveal answer Fill a bubble to check yourself C Correct answer Explanation One gram weight (gram-force) equals 981 dynes under standard gravity (g = 981 cm/s²). The dyne is the CGS unit of force. This conversion is based on the relationship: 1 gram-force = g × 1 gram = 981 cm/s² × 1 g = 981 g·cm/s² = 981 dynes.