This is a measure of the pull of gravity on an object
What is a weight?
100
An at-a-distance force that pulls downward.
What is gravity?
100
Objects in motion will stay in motion unless acted upon by a
What is unbalanced force?
100
The roads are icy and your car is sliding.... (how can you use friction to solve this problem)
What is add sand to increase friction?
100
A force that occurs when two ends of a rope, string, or cable are pulled apart
What is tension?
200
Forces that are in opposite direction and equal in size
What is balanced force?
200
The amount of matter in an object
What is mass?
200
Newton's second law -To move a large mass you need a _________force
What is large force?
200
You are moving a heavy piano across the carpet... (how to solve the problem?)
What is add wheels to decrease friction?
200
A force that occurs when an object is pushed together from opposite sides
What is compression?
300
One force is stronger than the other
What is unbalanced force?
300
The force of air pushing against a moving object
What is air resistance? or What is drag? or What is air friction?
300
The amount of force needed to move an object depends on the ________ of the object and the desired acceleration.
What is mass?
300
You are skiing in the mountains and racing your sister...
What is wax your ski's to go faster and decrease friction?
300
The force that counteracts gravity
What is the normal force?
400
Metric unit for force (look this up in the book)
What is a newton?
400
Because of this, an object wants to keep doing what it is doing
What is inertia?
400
Newton's first law states that
What is an object at rest will stay at rest, and an object moving will continue to move at a constant speed in the same direction unless acted upon by a force?
400
Your dirt bike's engine parts are rubbing, and making a horrible noise...
What is add oil to decrease friction?
400
Two categories of forces
What are contact forces and at-a-distance forces?
500
The total of all forces acting on an object (look this up in the book)
What is net force?
500
This includes the speed and direction of a moving object (look it up in the book)
What is velocity?
500
Newton's 3rd law states that... (look it up in the book)
What is for every action there is a equal and opposite reaction?
500
You are playing soccer on a wet, muddy, slippery field...
What is wear cleats to increase friction?
500
A drawing that shows you what forces are acting on an object