question 13\nwhat are the two key factors to consider when calculating the force.\ngravity\nacceleration\nang…

question 13\nwhat are the two key factors to consider when calculating the force.\ngravity\nacceleration\nangle\nmass
Answer
Brief Explanations:
According to Newton's second - law of motion, force is calculated by the formula $F = ma$, where $F$ is force, $m$ is mass and $a$ is acceleration. So mass and acceleration are key factors.
Answer:
B. Acceleration, D. Mass