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Forces & Motion

5th Grade Science Unit 4 Lessons 1 & 2

QuestionAnswer
What are the two parts of motion? distance & direction
What is another way to say what happens when a car slows down? decelerates
You __________________ whenever you change direction? accelerate
The _______________ momentum an object has, the easier it is for that object to move other objects. more
The location of an object is its ____________________. position
A change in the position of an object over time is motion. Motion has two parts: ____________________ and _______________________. distance, direciton
In what ways can distance be measured? meters, kilometers, feet, miles
The more mass an object has, the ___________________ is inertia. greater
What are the units of force and their abbreviations? Newton (N) pound (lb)
Who is the unit of force named after? Sir Isaac Newton
What does Newton's law of universal gravitation state? Every object in the universe pulls on every other object.
What is created whenever there is friction? heat
What is Newton's first law of motion? An object at rest tends to stay at rest, and an object in constant motion tends to stay in motion, unless acted upon by an unbalanced force.
Balanced forces often point in opposite directions, and they always add up to _________________; unbalanced forces cause an object to change its ___________________. zero, motion
What is the formula for momentum? mass x velocity
What is the formula for speed? distance / time
What is the formula for velocity? distance / time (you must include direction in your answer)
What is the formula for acceleration? final speed - starting speed / time
Created by: Jenebel
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