Draw a Distance time graph for the following sets of Explain why … actions: A 10 lb round metal weight would sink more Ben sped to work because he was late. quickly than a 10 lb metal sheet. He stayed at work for many hours. Surface area/surface tension. The He drove the speed limit to the ice cream shop sheet has a greater surface area and (which was further away from his house than therefore creates more surface work) tension than the round metal weight He returned home doing the speed limit. If using the same amount of force, an 8 lb bowling ball will accelerate faster than a 12 lb bowling ball. 2nd law: The 8 lb bowling ball has less mass to resist acceleration A ball rolling on the ground will eventually stop even if it doesn’t hit anything. 1st Law: friction There is more friction between a car tire and gravel/ grass than there is between a car tire and pavement. Friction. The smoother the surface, the less friction is created Coach Gaines made his players run for “suicides” We refer to newton’s laws when creating safety practice. devices and mechanisms. Players were to at one side of the court, run 3rd law. and opposite reactions as fast as they could to the other side, then run It would take less time to drive the back the same way. line” than it would to travel the “displacement They were told to do this 4 times each. total distance between two points. Distance v displacement term/ definition What is the formula for FORCE and how do we use it? F= mxa The more mass an object has at a certain acceleration/ speed, the more force it will have The greater the or acceleration of an object, the greater force it will have. What is the formula for ACCELERATION and how The pilot leaves the airport (in his plane) and do we use it takes off at a slow but steady acceleration. A= F/m Once he is in the air, His acceleration greatly The greater the force on an object, the increases until he reaches his max speed. more quickly it will accelerate Then he continues until he reaches his The greater the mass of an object, the destination. harder it is to accelerate What is the formula for MASS and how do we use it? M= F/a The greater the acceleration of an object, the less mass it has
Draw a Distance time graph for the following sets of actions: Ben sped to work because he was late. He stayed at work for many hours. He drove the speed limit to the ice cream shop (which was further away from his house than work) He returned home doing the speed limit. Coach Gaines made his players run “suicides” for practice. Players were to at one side of the court, run as fast as they could to the other side, then run back the same way. They were told to do this 4 times each. The pilot leaves the airport (in his plane) and takes off at a slow but steady acceleration. Once he is in the air, His acceleration greatly increases until he reaches his max speed. Then he continues until he reaches his destination. Explain why … A 10 lb round metal weight would sink more quickly than a 10 lb metal sheet. Surface area/surface tension. The sheet has a greater surface area and therefore creates more surface tension than the round metal weight If using the same amount of force, an 8 lb bowling ball will accelerate faster than a 12 lb bowling ball. 2nd law: The 8 lb bowling ball has less mass to resist acceleration A ball rolling on the ground will eventually stop even if it doesn’t hit anything. 1st Law: friction There is more friction between a car tire and gravel/ grass than there is between a car tire and pavement. Friction. The smoother the surface, the less friction is created We refer to newton’s laws when creating safety devices and mechanisms. 3rd law. and opposite reactions It would take less time to drive the “displacement line” than it would to travel the total distance between two points. Distance v displacement term/ definition What is the formula for FORCE and how do we use it? F= mxa The more mass an object has at a certain acceleration/ speed, the more force it will have The greater the or acceleration of an object, the greater force it will have. What is the formula for ACCELERATION and how do we use it A= F/m The greater the force on an object, the more quickly it will accelerate The greater the mass of an object, the harder it is to accelerate What is the formula for MASS and how do we use it? M= F/a The greater the acceleration of an object, the less mass it has
TEST3_STUDYGUIDE_KEY.docx