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Motion

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show An object’s change in position relative to a reference point.  
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How do you know when you are in motion?   show
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show Motion.  
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show Any push or pull in a particular direction.  
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When you push an object, the force is in the direction of the _____.   show
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When you pull an object, the force is in the direction of the _____.   show
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What are the four forces found in nature?   show
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show The force of attraction between all objects and the universe. (Universal gravitation/ Newton's law of gravity.)  
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show Decreases.  
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show Weakens.  
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show Because the sun has the greatest gravitational pull.  
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The farther away a planet is to the sun, the _____ the gravity.   show
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show Mass and density. (Mass increases, gravity increases.)  
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show Mass.  
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show 1, 2.5  
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What is friction?   show
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What is friction caused by?   show
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show Moving.  
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The force of friction (f) acts in the _____ direction.   show
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What would happen without friction?   show
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show Wear out, over heat.  
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show No, all the same speed.  
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show Rolling, Sliding, and fluid.  
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show Solids.  
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show Wheel.  
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show Liquids, gases.  
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show Friction involving air.  
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show Add wheels, lubricants.  
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What are two examples of lubricants?   show
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show The tenancy for an object to stay at rest or in motion.  
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show Speed, direction.  
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Does your body have inertia?   show
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show more.  
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Bowling bass are made heavy because they are difficult to ____.   show
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show The measure of how difficult it is to stop an object.  
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show That an object at rest wants to stay at rest and an object in motion, wants to stay in motion. Unless stopped by an unbalanced force.  
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An unbalanced force can change the _____ or/and ______.   show
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What are balanced forces?   show
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What are unbalanced forces?   show
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What are the four forces of the airplane? (In order.)   show
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What is speed?   show
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Speed= _____ divided by ______.   show
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show m/s  
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km= ______ (unit)   show
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Miles= _____ (unit)   show
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show Time.  
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What is the dependent variable?   show
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What is constant speed?   show
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show Distance, time. (Only up to where the bar reaches.)  
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When riding a bike, ______ is the unbalanced force.   show
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What is acceleration?   show
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show Negative, deceleration.  
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What is Newton's 2nd law?   show
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The greater the force, the _____ acceleration.   show
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show Force.  
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show Increases.  
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show Mass, Acceleration.  
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Force= _____ (unit)   show
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Mass= ______ (unit)   show
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Acceleration= _____ (unit)   show
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show Speed in a particular direction.  
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show Add.  
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If two velocities are in opposite directions, the label on the answer should be in the direction the _____ is going.   show
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show Distance, time.  
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show Yes.  
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show For every action force, there is an equal and opposite reaction force.  
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Created by: emarciante