Newton's three laws of motion are: 1) An object at rest will remain at rest, and an object in motion will remain in motion at a constant velocity, unless acted upon by an external force. 2) The force acting on an object is equal to the mass of the object multiplied by its acceleration. 3) For every action, there is an equal and opposite reaction.
Newton's laws of motion can be observed in many everyday situations. For example, when you push a shopping cart, it will continue to move in a straight line until an external force (such as friction or hitting a wall) stops it. This relates to Newton's first law. Newton's second law can be seen when you throw a ball - the harder you throw it (increase the force), the farther it will go (increase the acceleration). And Newton's third law is demonstrated when you jump off a diving board - you push down on the board, and the board pushes back with an equal force, propelling you upwards.
Yes, Newton's laws of motion are still relevant and accurate today. They have been tested and proven countless times through experiments and observations, and they form the basis of classical mechanics, which is used to describe the motion of objects in our everyday world.
Yes, Newton's laws of motion can be applied to objects in space. In fact, these laws were originally developed to explain the motion of planets and other celestial bodies in our solar system. They continue to be used in modern space exploration and satellite technology.
Newton's first law, also known as the law of inertia, states that an object will remain at rest or in motion with a constant velocity unless acted upon by a force. In contrast, Newton's second law, also known as the law of acceleration, describes the relationship between the force applied to an object, its mass, and its resulting acceleration. In simple terms, the first law explains why objects don't spontaneously start moving, while the second law explains how objects move when a force is applied to them.