Lesson 2: Newton's First and Third Laws Answers

An object in equilibrium has a net force of . Static equilibrium describes an object at having equal and balanced forces acting upon it. Dynamic equilibrium describes an object in having equal and balanced forces acting upon it.

An object in equilibrium has a net force of . Static equilibrium describes an object at having equal and balanced forces acting upon it. Dynamic equilibrium describes an object in having equal and balanced forces acting upon it.

An object in equilibrium has a net force of . Static equilibrium describes an object at having equal and balanced forces acting upon it. Dynamic equilibrium describes an object in having equal and balanced forces acting upon it.

In what direction does the reaction force push?

Anika asks Eva to roll a basketball and then a bowling ball to her. Which requires more force to roll, and why?

Using the free-body diagram, calculate the net force acting on the sled newton. Is the sled in a state of dynamic equilibrium?

Why are more firefighters needed to help hold the fire hose when the increase of water flow increases the force of the water?

Which object exerts the action force?

The action force is the balloon pushing the air out. What is the magnitude of the reaction force of the air pushing on the balloon? N.

Using the free-body diagram, calculate the net force acting on the sled newton. Is the sled in a state of dynamic equilibrium?

Which object exerts the reaction force?

In what direction does the action force push?