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Newton's law review
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Gravity
Terms in this set (25)
Acceleration is produced when a force acts on a mass. The greater the mass the greater the force needed to accelerate.
Newton's 2nd Law
An object at rest will remain at rest, an object in motion will remain in motion unless acted on by an unbalanced force
Newton's 1st Law
This Law is often called the Law of Inertia
Newton's 1st Law
For every action, there is are equal and opposite reaction
Newton's 3rd Law
What is an object's tendency to resist a change in its motion called
Inertia
What would happen to an object put into motion in outer space
It would continue moving until acted on by an unbalanced force
What is one benefit of wearing a seatbelt
It allows the passenger to share the motion of the vehicle
The rate as which an object change its speed is called ______
Accelerate
Which statement is true about Newton's 2nd law
Decreasing the mass of an object increases its acceleration
You exert 500N of force on the ground as you jump into the air. How much force does the ground exert back on you
500N because the ground exerts as much force on you as you do on it
Newton's 1st law applies to...
Both moving and non-moving objects
Why would a soccer ball accelerate faster if kicked by a professional soccer player than if kicked by a 3rd grader
More faster is being applied by the soccer player
Which has a greater amount of inertia
a car
Which force opposes motion between two surface that are in direct contact with each other
Friction
For every ______, there is an equal and _______ reaction
Action, opposite
Which example best represents newton's 3rd Law
Pushing backwards with oars causes the canoe to more forward
Solve For Force: How much force does it require to more a 15kg sled at 5m m/s/s ( F = m x a )
75N
If you were to push on brick wall with 100N of force, how much force would the wall push back on you with
100N it would push back with equal force
You push a sofa, but you can't get it to move. why
The sofa's inertia is greater than your applied force
What is the formula for calculation force
f = m x a
what can be measured with acceleration
Path changes in speed and direction can be measured
Solve for acceleration: you apply 20N of force to a 5kg bowling ball ( F = m x a )
4 m/s/s
Which is true about Newton's 3rd law
Every action has an equal reaction force
Which of Newton's Laws explains a rocket's motion during take off
Newton's 3rd Law
Sitting at the top of a sleep hill on a roller coaster ( not moving ) is an example of
inertia
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