Show:
The Nature of Force
Friction and Gravity
Newton's Laws of Motion
Momentum
Free Fall and Circular Motion
100
A push or pull.
What is force?
100
The force that one surface exerts on another when two surfaces rub against each other.
What is friction?
100
An object at rest/in motion will remain at rest/in motion unless acted upon by an outside force.
What is Newton's First Law of Motion?
100
Characteristic of a moving object that is related to the mass and velocity of the object.
What is momentum?
100
Occurs when the only force acting on an object is gravity.
What is free fall?
200
The SI Unit for the strength of a force.
What is Newton?
200
The force that pulls objects toward each other.
What is gravity?
200
Resistance to a change in motion.
What is inertia?
200
In the absence of an outside force, the total momentum of objects that interact does not change.
What is the law of conservation of momentum?
200
A force that causes an object to move in a circular path.
What is centripetal force?
300
The combination of all forces acting on an object.
What is net force?
300
The type of friction that exists between oil and a door hinge.
What is fluid friction?
300
An object's acceleration depends on its mass and the force acting upon it.
What is Newton's Second Law of Motion?
300
Formula used to calculate momentum.
What is M=mv?
300
Follows a curved path in space around Earth.
What is a satellite?
400
Two things that describe a force.
What is strength and direction?
400
The type of friction that occurs between objects that aren't moving.
What is static friction?
400
Acceleration due to gravity.
What is 9.8 m/s/s?
400
What you have when two objects of the same mass collide and merely trade velocities.
What is a non-sticky collison?
400
An object traveling in a circle is accelerating because it is constantly changing ___________.
What is direction?
500
Changes an object's motion.
What is an unbalanced force?
500
Two forces that affect the gravitational force between two objects.
What are mass and distance?
500
For every action there is an equal and opposite reaction.
What is Newton's Third Law of Motion?
500
The unit for momentum.
What is kg m/s?
500
Satellites in orbit around the Earth travel in an almost circular path because the Earth is ___________.
What is curved?