An airline employee tosses two suitcases in rapid succession, with a horizontal velocity of 7.2 ft/s, onto a 50-lb baggage carrier which is initially at rest. (A) Knowing that the final velocity of the baggage carrier is 3.6 ft/s and that the first suitcase tossed onto the carrier has a weight of 30 lbs, determine the weight of the other suitcase. (B) What would the final velocity of the carrier be if the employee reversed the order in which he tossed the suitcases?
Rigid Body
A rigid body is an object which does not change its shape or undergo any significant deformation due to an external force or movement. Mathematically speaking, the distance between any two points inside the body doesn't change in any situation.
Rigid Body Dynamics
Rigid bodies are defined as inelastic shapes with negligible deformation, giving them an unchanging center of mass. It is also generally assumed that the mass of a rigid body is uniformly distributed. This property of rigid bodies comes in handy when we deal with concepts like momentum, angular momentum, force and torque. The study of these properties – viz., force, torque, momentum, and angular momentum – of a rigid body, is collectively known as rigid body dynamics (RBD).
![The image depicts a person lifting a heavy object, such as a suitcase, with an improper technique. The individual is bending forward with a curved back, placing undue strain on the spine. Next to the individual, there is a cart with a similar object placed on it, illustrating a safer method of transport. This visual represents the importance of using tools like carts to prevent injury from lifting heavy items manually. Proper lifting techniques and the use of aids can protect against back strain and promote workplace safety.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F07a9cc2f-a791-4352-8325-07801fa15b52%2F4dca8f9c-88ad-4eae-9c88-4412f37c3019%2Fj2pb5mm_processed.jpeg&w=3840&q=75)
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