Newton's 1st Law
Inertia equals ____
What is mass
True or False: The equation for Newton's 2nd Law is Fnet=ma
What is true
For every action force there is an equal and opposite.....
Friction results from _____ forces
Balanced forces produce a net force of __
What is zero
To change how something moves, you need an ______ ______
What is accelerating force
An object will ____ in the direction of the net force
What is accelerate
Force always comes in...
What is a type of friction that occurs from movement
What is kinetic friction
Unbalanced forces produce a net force of ___
What is any number above zero
True or False: A net force is NOT required to maintain the velocity
What is true
The greater the mass, the ____ the ______
What is (mass) and (acceleration)
Also known as....
What is the Law of Force Pairs
What is the type of friction that keeps objects from sliding past each other
What is static friction
An object at rest will remain at rest if the forces are ___
What is balanced
If the net force on an object is zero, the objects velocity will remain ________
What is unchanged
The greater the force, the ____ the ____
What is (greater) the (acceleration)
Describe the strength and direction of an action force compared to a reaction force
They are equal in strength but opposite in reaction
Friction works ___ to the motion of an object
What is opposite
If an object is moving at a constant speed but in a circular motion, are the forces balanced or unbalanced
What are unbalanced forces
What do external forces change?
What is motion
True or False: The acceleration of an object is equal to the product of it's mass and net force
When you jump off a boat, you apply an ________ against the boat. The ________ is the force that the boat applies to you
What is action force and reaction force
What are the two main types of friction?
What are kinetic and static friction
One example of an object being affected by balanced forces is....
What is a car moving at a constant velocity (Answers will vary)