Laws of Motion | Gravity/Force/Friction | Which Law am I | Which Law am I (pt.2) | Calculations & Etc. |
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An object at rest tends to stay at rest and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Newtons First Law (Inertia)
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The force that acts on all objects on Earth and is the only force acting on an object in free-fall is ___________.
Gravity
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You run into your friend while skating and both of you fall in opposite directions. This is an example of which law of motion?
Newton's 3rd law
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A car is easier to push than a bus. This is an example of which of Newton's Laws?
Newton's 2nd law
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What does “m/s” mean?
Meters per second
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This is the natural tendency of objects to keep on doing what they're doing.
Newtons First Law (Inertia)
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This is a push or pull.
Force.
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You are thrown off the front of a 4 wheeler when it runs into a fence. This is an example of which law of motion?
Newton's First Law
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The slingshot was pulled back and the rock propelled forward. This is an example of which law of motion?
Newton's 3rd law
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What net force is acting on a 15 kg wagon that produces an acceleration of 3 m/s
45 N
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F = M * A Force = Mass x Acceleration
Newtons Second Law of Motion
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Which of the following is NOT an example of exerting a force on an object: pushing a button, punching a mascot, running to school?
Running to School (not exerting a force)
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You left your book on table in Ms. Przelomski's room and it is still there the next morning. This is an example of which law of motion?
Newton's First Law
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The Dominos flew out of the back of the truck when it crashed into the books. This is an example of which law of motion?
Newton's First Law
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This is why the two parts of a force pair do not cancel each other
The forces are exerted on different objects
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An object will _________________ in the direction that you push it.
Accelerate
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What effect do unbalanced forces have on an object’s motion?
Unbalanced forces change an object’s motion.
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A kickball continues to roll until it hits the fence.This is an example of which law of motion?
Newton's First Law
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You let the air out of a balloon- the air goes one way and the balloon goes the opposite direction. This is an example of which law of motion?
Newton's 3rd law
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Two people exert push on a box with forces of 50 N to the right and 75 N to the left. What is the strength and direction of the net force?
25 N to the left
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Newton's 3rd law states..
"For every action there is an equal and opposite reaction."
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What type of force resists any object’s motion in the opposite direction?
Friction
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A baseball hit with a wooden bat goes farther than a baseball hit with a plastic bat. This is an example of which law of motion?
Newton's Second Law
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The baseball went farther than the basketball when your classmate hit them with an aluminum bat. This is an example of which law of motion?
Newton's Second Law of Motion.
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What other property of matter is inertia closely related to?
Mass
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