EOG Review Newton's First Law Motion.notebook May 22, 2018
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1 2009 SMART Technologies ULC. All rights reserved. 1
2 For the Teacher 2
3 Place an and a beside an incorrect statement beside a correct statement. Sir Isaac Newton devised four laws of motion. Sir Isaac Newton Newton's laws of motion predict the motions of all objects in all situations. Newton's laws of motion do not predict the motions of objects at the atomic scale. Newton's laws of motion have no applications in real life. 3
4 Newton's laws of motion can predict the motions of most objects. What causes motion? 4
5 Complete the following statements. An object is set into when it is,, or subjected to a. Force has both and. direction force magnitude motion pulled pushed You have 2 minutes to complete this activity. Go! 5
6 Newton s First Law of Motion (Law of Inertia): When two or more forces act on an object, and the net force is balanced, (1) the object remains at rest if the object is at rest (2) the object continues to move with a constant velocity if the object is in motion 6
7 Predict what happens to the objects below. Then erase to check your prediction. Balanced Net Force Object at Rest v = 0 m/s a = 0 m/s 2 Object in Motion v = 0 m/s a = 0 m/s 2 Object stays at rest. Object stays in motion. 7
8 Describe why the wagon is not moving. What does each arrow represent? 8
9 The skateboarder is moving at a constant velocity. Position the labels and arrows below. direction of motion weight friction ground pushing up force moving skateboarder to the right 9
10 Fill in the blanks. The skateboarder is moving at a because the is. constant velocity balanced net force 10
11 There are many everyday applications of Newton's first law. What will happen if the rope holding a ladder on a moving car falls off? 11
12 The yellow car is moving at 25 miles/hour. The red car is not moving. Move the ladder to show how it will move after the collision. direction of motion 12
13 Fill in the blanks. The ladder continues to after the car stops because an object moving at a continues to move unless by an. unbalanced force acted on constant velocity move forward 13
14 The following pages contain answers to the activities. 14
15 You have two minutes to complete this activity. Go! An object is set into motion when it is, pulled, pushed or subjected to a. force Force has both direction and. magnitude 15
16 Describe why the wagon is not moving. What does each arrow represent? The wagon is not moving because the forces on it are balanced. The down arrow is the wagon's weight. The up arrow is the ground pushing up on the wagon. 16
17 The skateboarder is moving at a constant velocity. Position the labels and arrows below. direction of motion force moving skateboarder to the right friction weight ground pushing up 17
18 Fill in the blanks. The skateboarder is moving at a constant velocity because the net force is. balanced 18
19 The yellow car is moving at 25 miles/hour. The red car is not moving. Move the ladder to show how it will move after the collision. direction of motion 19
20 Fill in the blanks. The ladder continues to move forward after the car stops because an object moving at a constant velocity continues to move unless acted on by an. unbalanced force 20
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