discoveries‚ the three laws of motion are famous. These include inertia‚ acceleration‚ and the idea that for every action‚ there is an equal and opposite reaction. Inertia is the idea that a body in motion will remain in motion‚ and a body at rest will remain at rest. For example‚ if I were to throw a baseball into the air‚ it would keep going until grasvity pulled it back down to earth. However‚ if I left it sitting on a table‚ it would lie there until some kind of force were to move it. If I were to
Free Newton's laws of motion Classical mechanics Isaac Newton
Three Laws of Motion Sir Isaac Newton first introduced his three laws in 1686. Newton’s Three Laws of Motion not only improved math and science all over the world‚ but they played a major role in the development of human beings giving us a better understanding of the world in which we live and the laws that each and every one of us follow. Newton’s first law is law of inertia‚ which is a restatement of Galileo’s idea‚ an object in rest stays in rest or an object in motion stays in motion unless acted
Free Newton's laws of motion Classical mechanics Force
Universal Gravitation Apples had a significant contribution to the discovery of gravitation. The English physicist Isaac Newton (1642-1727) introduced the term "gravity" after he saw an apple falling onto the ground in his garden. "Gravity" is the force of attraction exerted by the earth on an object. The moon orbits around the earth because of gravity too. Newton later proposed that gravity was just a particular case of gravitation. Every mass in the universe attracts every other mass. This is the
Premium General relativity Gravitation Newton's laws of motion
Uniform Circular Motion – a constant motion along a circle; the unfirom motion of a body along a circle Frequency (f) – the number of cycles or revolutions completed by the same object in a given time; may be expressed as per second‚ per minute‚ per hour‚ per year‚ etc.; standard unit is revolutions per second (rev/s) Period (T) – the time it takes for an object to make one complete revolution; may be expressed in seconds‚ minutes‚ hours‚ years‚ etc.; standard unit is seconds per revolution
Premium Kinematics Classical mechanics Force
1 1 A wooden block of mass 0.60 kg is on a rough horizontal surface. A force of 12 N is applied to the block and it accelerates at 4.0 m s –2. 4.0 m s–2 wooden block 12 N What is the magnitude of the frictional force acting on the block? A B 9.6 N C 14 N D 2 2.4 N 16 N A submarine descends vertically at constant velocity. The three forces acting on the submarine are viscous drag‚ upthrust and weight. Which relationship between their magnitudes is correct
Free Force
officers have the authority to use force to ensure that laws are upheld and public safety and security maintained. The granting of that authority carries with it an expectation that the individual police officers and their law enforcement organizations will be openly and publicly accountable for any use of force. Police use of force is officially sanctioned‚ but questions remain. What is a reasonable use of force? Why and under what circumstances is one type of force chosen over another? What standards
Premium Police
DYNAMICS -studies the relationship of motion to the forces that causes it. Types of Forces: (a) Normal Force‚ n :When an object rests or pushes on a surface‚ the surface exerts a push on it that is directed perpendicular to the surface. (b) Friction Force‚ f : In addition to the normal force‚ a surface may exert a frictional force on a object‚ directed parallel to the surface and opposite the motion or impending motion of the object. f s = µ s n - static friction‚ maximum friction before the object
Free Force Friction Classical mechanics
The use of cellphone while driving Informative speech Specific purpose: to inform my audience about the risks that are involved while using their cellphone while driving and its penalties. Thesis: Using a cellphone while on the road could be risky. Organizational pattern: Topical order. INTRODUCTION: I. Attention Getter: ‘’Using a cellphone while driving‚ whether it is handheld or hands-free‚ delays drivers reactions as much as having blood alcohol concentration at the legal limit
Free Mobile phone
published what are known today as Newton’s three laws of motion. If these laws didn’t exist‚ motion and life would not exist. His three laws are accurately relative to what "normal" speeds are on earth. Newton’s first law is most commonly referred to as the law of inertia. The law states that an object that is at rest will stay at rest unless an unbalanced force acts upon it‚ and vice-versa. If an object is moving and there is no force to move the object in a different direction‚ then the said
Free Newton's laws of motion Classical mechanics Force
Experiment 3.1 Newton’s Second Law of Motion Aim: To investigate the relationship between net force‚ mass and acceleration Hypothesis: Since Newton’s second law of motion states that the acceleration of an object is directly proportional to the total force acting upon that object‚ we can assume that the more mass being pulled down on the cart the greater the acceleration of it will be and therefore the greater its net force will be. Apparatus: Wheeled carts Pulleys Balance
Premium Mass Force Newton's laws of motion