Force
Gravity
Friction
Motion
Newton's Laws of Motion
100
- 2 forces in the same direction
What is an increase in combined force?
100
amount of matter in an object
What is mass?
100
friction in water
What is drag?
100
distance ⁄ time
What is speed?
100
1700 century physicist and mathematician know for the laws of gravity and motion
Who is Sir Isaac Newton?
200
- cause an object to start, stop, or change direction
What are unbalanced forces?
200
rate at which all objects accelerate toward Earth's center
What is 9.8 m/s/s?
200
heat
What does friction produce?
200
speed and direction
What is velocity?
200
an object at rest remains at rest unless acted upon by an outside force
What is Newton's 1st Law of Motion?
300
a force that resist the motion of one surface past another
What is friction?
300
the amount of gravitational pull depends on two factors
What is mass and distance?
300
slows a skydiver's fall to the ground
What is drag?
300
25 mi/hr
What is speed?
300
pulling a tablecloth out from beneath a set of dishes
What is inertia?
400
the force of attraction between two objects
What is gravity?
400
a measure of gravitational pull on an object
What is weight?
400
force that works opposite the motion of a ball rolling across the floor
What is friction?
400
rate at which an object's velocity changes
What is acceleration?
400
the space shuttle pushes up away from the ground when the gases from the rocket engine are pushed out
What is Newton's 3rd Law of Motion?
500
when neither side can win in a game of Tug of War
What are balanced forces?
500
a unit of measurement for weight
What is a Newton?
500
Surface type and force (weight)
What two factors affect the amount of friction?
500
65 mi/hr South
What is velocity?
500
a sports car is able to move faster than a semi truck when a traffic light turns green
What is Newton's 2nd Law of Motion?
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