I want to calculate magnitude and direction.Doc Al said:
Benjamin_harsh said:
Only 2 I know.Gaussian97 said:
So parallelogram law of force is useless for this problem?Doc Al said:
Not sure what the "parallelogram law" is, but you can use ANY method to add the two vectors.Benjamin_harsh said:
I am saying Parallelogram law of vector additionDoc Al said:
I think that "triangular law of force" means the cosine rule.Doc Al said:
Benjamin_harsh said:
Yep. And I'd use that rule even for the parallelogram method (there's a triangle in there) so you can get an exact answer.Gaussian97 said:
Newton's first law of motion, also known as the law of inertia, states that an object at rest will stay at rest and an object in motion will stay in motion with a constant velocity unless acted upon by an external force. Newton's second law of motion, or the law of acceleration, states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This means that the greater the force applied to an object, the greater its acceleration will be, and the more massive an object is, the less it will accelerate. Newton's third law of motion, the law of action and reaction, states that for every action, there is an equal and opposite reaction. This means that when one object exerts a force on another object, the second object will exert an equal and opposite force back on the first object.
The law of force to use when calculating the motion of an object depends on the specific scenario and what information is known. If you know the mass and acceleration of an object, you can use Newton's second law to calculate the net force. If you are trying to determine the motion of an object in a given situation, you can use all three of Newton's laws to help you analyze the forces at play.
Yes, Newton's laws of motion can be applied to all types of motion, including linear, circular, and rotational motion. These laws are fundamental principles of physics and can be used to explain and predict the behavior of objects in a wide range of situations.
If an object experiences multiple forces at the same time, the net force acting on the object is the sum of all the individual forces. This net force will determine the acceleration of the object according to Newton's second law. The direction of the acceleration will be in the direction of the net force.
Newton's laws of motion can be applied to everyday situations such as pushing a shopping cart, riding a bike, or throwing a ball. These laws help us understand how objects move and interact with each other in the world around us. By understanding these laws, we can make predictions about the motion of objects and use them to our advantage in daily activities.