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What are the steps to create a free-body diagram?
1. Represent the object as a dot. 2. Draw vectors representing all forces acting on the object, starting from the dot. 3. Label each force vector with its magnitude and direction.
How do you choose an appropriate coordinate system for a free-body diagram?
1. Identify the direction of acceleration. 2. Align one axis of the coordinate system with the direction of acceleration.
What is a vector quantity?
A quantity with both magnitude and direction.
Define contact force.
A force resulting from the interaction of objects touching each other.
What is a free-body diagram?
A visual representation of all forces acting on a single object or system.
Define gravitational force (weight).
The force exerted on an object due to gravity.
What is normal force?
The force exerted by a surface on an object resting on it, perpendicular to the surface.
Define tension.
The force exerted by a rope or string when it is pulled tight.
What are the steps to create a free-body diagram?
1. Identify the object of interest. 2. Represent the object as a dot. 3. Draw vectors representing forces acting *on* the object, originating from the dot. 4. Label each force vector.
How do you simplify problem-solving using a free-body diagram?
1. Draw the free-body diagram. 2. Choose a coordinate system. 3. Resolve forces into components along the axes. 4. Apply Newton's laws.