In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: Answer: the of motion Question: What does a scalar tell us?Answer: Scalar tell size OR magnitude of the thing measured Question: What does a quantity tell us?Answer: A vector quantity has both and direction. Question: Which of these quantities is a scalar quantity, or displacement?Answer: Distance is scalar; displacement is Question: Which of these is a vector quantity, Speed or velocity?Answer: Velocity is vector; is scalar Question: What are some vector quantities?Answer: Acceleration, force, and Question: DistanceAnswer: How far an has moved Question: DisplacementAnswer: Distance and direction of an from its starting point Question: Define Answer: The an object moves per unit of time Question: Answer: Distance and direction an object moves per unit of Question: Average Answer: The over time when speed is changing Question: speedAnswer: Speed at any given moment in time like on your speedometer in the Question: speedAnswer: Speed that is not changing or is the same Question: AccelerationAnswer: Speed that is increasing or getting Question: DecelerationAnswer: Negative acceleration or speed that is /slowing down Question: Define Answer: Any push or pull on an Question: Newton’s First Law of MotionAnswer: When there is no unbalanced on an object, objects at rest stay at rest and objects moving keep moving at the same speed in the same direction Question: Newton’s Second Law of MotionAnswer: When an unbalanced acts on an object it accelerates Question: What did Galileo determine about the rate of objects?Answer: All objects fall at the same rate if is little or no air resistance Question: What is the of gravity at the earth’s surface?Answer: 9.85 m/s2 Question: What are 5 differences mass and weight?Answer: Mass is the amount of matter in something and weight is the pull of gravity. Mass is on a balance in g or kg and weight is measured on a spring scale in N. Mass cannot change or be zero and weight can. Question: What is ?Answer: is the product of mass and velocity Question: How do we it?Answer: p(momentum) = m(ass) * v(elocity) Question: Be able to calculate the formula for ForceAnswer: F = m* Question: Be able to using the formula for momentumAnswer: p = m * v Question: Advanced only: What is ?Answer: times time equals impulse Question: Advanced only: Relate Impulse to Answer: is equal to the change in momentum. Question: only: How does this relate to building safer cars?Answer: When momentum changes quickly, Force can be by extending the time it acts. Air bags, seat belts, and bumpers which crumple all work to allow extra time between the Force and its impact in a collision. |
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