L13 PS Homework

What principle states that an object at rest tends to stay at rest, and an object in motion tends to stay in motion unless acted upon by an external force?

• Law of Gravity

• Law of Conservation of Energy

• Law of Inertia

• Law of Thermodynamics

What is the mathematical relationship between force, mass, and acceleration?

• Force = Mass / Acceleration

• Force = Mass x Acceleration

• Force = Acceleration / Mass

• Force = Mass + Acceleration

When a bicycle's tires push backward against the ground, what is the ground's reaction that propels the bicycle forward?

• The ground pulls the bicycle forward.

• The ground pushes forward against the tires.

• The ground absorbs the backward force.

• The ground causes the tires to spin faster.