What type of forces allow for an object to stay at rest or continue at constant velocity.

Inertia is the property of a body to remain at rest or to remain in motion with constant velocity. Some objects have more inertia than others because the inertia of an object is equivalent to its mass.

Explanation:

Inertia

Explanation:

Inertia is the property of a body to remain at rest or to remain in motion with constant velocity.

it's filtration, but this is an assumption so my apologies if i got this

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.