Answer:
Gravity, Mass, Acceleration, Speed, and Force
Explanation:
Gravity: It is the natural force that pulls objects towards the ground.
Mass: It is the weight of the object, it can be measured either in kilograms (kg) or pounds (lb).
Acceleration: It is the change of rate in velocity.
Speed: It is rapidity of movement or action.
Force: It is the principle an object possesses and it is influenced by its weight and speed.