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 1 gram weight is the force exerted by 1 gram mass under standard gravity. Since 1 dyne = 10^-5 newtons and g = 9.81 m/s², 1 gram weight = 1g × 9.81 m/s² = 981 dynes.