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9 Week TEST

3rd 9 week TEST

What is the combination of all the forces acting on an object? Net Force
_____ is when forces acting on an object combine and form a net force of zero. Balanced force
Unbalanced forces are when forces acting on an object combine and form a net force that do not equal zero. Tru or False? True
Newton's ______ Law of Motion states that an object in motion stays in motion and an object at rest stays as rest, unless it is acted upon by an outside force. * First
An object that has more mass than another object and is experiencing the same net force, will accelerate ______. * less
A push or a pull on an object is ________. force
True or False. On earth, gravity, friction and applied forces are the three most common forces that act on objects. * True
Force is a vector because it has both ______ and _______. * size and direction
List the type of friction. When two objects are touching but not moving static
Friction that occurs in gases and liquids is called______ friction. fluid
A factor that affects the amount of friction against an object moving through the air include an objects_____. speed
The formula for acceleration is _____ and the SI units are ____. a = F/m and m/s2
True or False. For a given force, an object will accelerate less if it has a greater mass. True
When one object exerts a force on a second object, the second object exerts an equal force in the opposite direction on the first object is called _________> Newtons Third law of motion
_______ _________ is the force that two objects apply on each other force pair
True or False. Momentum is a measure of how hard it is to a moving object. True
Complete the sentence using one of the following words: momentum, velocity or acceleration. The property of a moving object that makes it hard to stop is ______________. momentum
The SI units for momentum are ________. kg. m/s
Factors that determine an object's momentum include its _________. mass and velocity
Created by: summerV00
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