A block of mass m = 2.00 kg is released from rest at h=1.00 m above the surface of a table, at the top of a θ = 45.0° incline as shown in Figure 2. The frictionless incline is fixed on a table of height H=1.5 m. (a) What is the speed of the block before hit the floor? (b) What time interval elapses between when the block is released and when it hits the floor
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).
- A block of mass m = 2.00 kg is released from rest at h=1.00 m above the surface of a table, at
the top of a θ = 45.0° incline as shown in Figure 2. The frictionless incline is fixed on a table of height H=1.5 m. (a) What is the speed of the block before hit the floor? (b) What time interval elapses between when the block is released and when it hits the floor
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