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NEWTON'S LAW-LAW of MOTION.  Kinematics: based on the definition of shift, velocity and acceleration Question:  Whether the mechanism that causes an.

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Presentation on theme: "NEWTON'S LAW-LAW of MOTION.  Kinematics: based on the definition of shift, velocity and acceleration Question:  Whether the mechanism that causes an."— Presentation transcript:

1 NEWTON'S LAW-LAW of MOTION

2  Kinematics: based on the definition of shift, velocity and acceleration Question:  Whether the mechanism that causes an object moving? Why objects can have different acceleration? Changes in Motion:  explained by the concept of force, mass and momentum

3 CHANGES IN MOTION (acceration) CHANGES IN SHAPE (deformasi) style oleh ?  Describing the interaction between objects with their environment. Is a vector quantity. Result style Equilibrium GLBB = 0

4 Interaction Direct contact Long-distanceMagnetic field Force fields (interactions) that occur in nature: The force of gravity: the body of mass Electromagnetic force: between charged objects Strong Style: between subatomic particles Weak force: the process of decay radioaktip

5 NEWTON'S LAW I on Motion As long as there is no resultant force acting on an object, the object will always be in the situation, namely a stationary object will always stationary and moving objects will move with constant velocity.  F = 0 a = 0 Law of inertia Inertial system

6 MASS inertia System Inertia v = constan if outside influences can not be ignored, How far away an object is able to maintain the nature of inertia? MASSA (m) Skalar Satuan SI kilogram (kg)

7 NEWTON'S LAW II The acceleration on a body is proportional to the resultant force acting on it Unit Style: newtons (N) 1 N = 10 5 dyne 1 N = 0.225 lb Contoh

8 HUKUM NEWTON III If two bodies interact, the force carried by the first object on the second object with equal and opposite force that carried out by a second object on the object first Usage Examples Newton's Laws M1M1 M2M2 F 12 F 21

9 GAYA GESEK Benda diam F W N fsfs Gaya berat Gaya normal Gaya gesek statik statik kinetik f F Benda bergerak Gaya gesek kinetik F W N fkfk a Contoh

10 GAYA GESEK Benda diam F W N fsfs Gaya berat Gaya normal Gaya gesek statik statik kinetik f F Benda bergerak Gaya gesek kinetik F W N fkfk a Contoh

11 Task 3 Independent Task: Learn about the examples in Chapter 5 books Serwey Task Group Do the questions no 18, 31, 59 and 73 in chapter 5 books Serwey

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