A solid uniform ball rolls without slipping up a hill, as shown in (Figure 1). At the top of the hill, it is moving horizontally, and then it goes over the vertical cliff. Neglect rolling friction and assume the system's total mechanical energy is conserved. Part A How far from the foot of the cliff does the ball land? Express your answer with the appropriate units. HẢ Value Units Part B Figure 1 of 1 How fast is it moving just before it lands? Express your answer with the appropriate units. HA 25.0 m/s Value Units v = 28.0 m
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).
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