70 degrees with respect to what?Madelin Pierce said:
What is the direction of the force? That's the direction the force vector will make with the block.Madelin Pierce said:
A free body diagram is a visual representation of the forces acting on an object. It includes all the external forces such as gravity, friction, and applied forces, and helps in analyzing the motion of the object.
To draw a free body diagram, you first need to identify all the forces acting on the object. Then, draw a dot or box to represent the object and draw arrows to show the direction and magnitude of each force. Finally, label each force with its corresponding symbol and indicate the coordinate system.
The force of gravity is represented by a downward arrow pointing towards the center of the earth. Its magnitude is equal to the mass of the object multiplied by the acceleration due to gravity (9.8 m/s^2).
An applied force is represented by an arrow pointing in the direction of its action. Its magnitude can be determined by the force applied on the object or by using trigonometric functions if the angle is given.
To analyze a free body diagram, you can use Newton's laws of motion. The first law states that an object will remain at rest or in uniform motion in a straight line unless a net external force acts on it. The second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. The third law states that for every action, there is an equal and opposite reaction.
