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Phyics Test 1

Chapters 1-4; Labs 1,2

QuestionAnswer
1.Name the English gentleman who was responsible for the three laws of motion that serve as the foundation of classical physics. 1.Sir Isaac Newton
2.If you were able to let go of a ball in outer space, far away from the influence of gravity, without pushing it in any particular direction, would the ball remain in that exact spot or would it move in one direction or another? 2.It would stay exactly where it is put.
3.If a book were placed in your hand and you could measure the force applied to your hand by the book, could you determine how much force your hand was applying to the book? 3.Yes. The force would be exactly equal to that applied to your hand.
4.How many decimeters are in one meter? 10
5.How many centimeters are in one meter? 100
6.Which of the three laws of motion does; equal and opposite, best describe? 6.Third Law
7.Which of the three laws of motion does; F = ma, best describe? 7.Second Law
8.Which of the three laws of motion does; inertia, best describe? 8.First Law
9.The entire range of gravitational influence is called_____________ ______________. 9.gravitational field
10.A rate of increase or decrease in the rate of travel Is called_________. 10.acceleration
11.A ball, thrown upward, continues upward after it is released is called_________. 11.inertia
12.A rate of travel is called______________. 12.velocity
13.The natural force of attraction between any two masses 13.gravity
14.Gravitational acceleration constant is________. 9.8 m/sec2
15.Natural push or pull is called_____________________. 15.force
16.The farther an object falls under gravity the __________ will be its velocity by the end of its travel 16.greater
17.Objects falling under the influence of gravity will fall with a constant _____________. 17.acceleration
18.Galileo, the Italian student of nature, lived in which century? 1600’s
19.In its third second of fall, an object falling under gravity will fall at a velocity of _________. 29.4 m/sec.
20.A ball thrown upward approaches its ______ velocity when it reaches its highest point from the ground. 20.lowest
21.Two cannon balls of different masses, when dropped from the Leaning Tower of _____ will hit the ground ____ _____ ________ _______. 21.Pizza ; at the same time
22.If an object having a mass of 1 gram were pushed so that it accelerated at a rate of 1 meter per second for each second of the push, what was the force of the push? F = 1 gram × 1 meter per second for every second of the fall
Created by: jeni25