Why do people calculate net force and make force diagrams? O It allows us to calculate speed of an object
It allows us to predict the mass of objects
It allows us to predict motion and changes in motion
It allows us to calculate mass and weight

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air