A cat with mass 4.5 kg and a mouse with 0.03 kg are standing on top of a 2 kg thin semicircular plate as shown below. The weights of the cat and mouse are concentrated loads applied at points T and J respectively. The plate is pinned at point A and I semicircular plate = (mr²)/2. 300TT mm 100 mm A 700 mm 300π mm 400 mm
Plane Trusses
It is defined as, two or more elements like beams or any two or more force members, which when assembled together, behaves like a complete structure or as a single structure. They generally consist of two force member which means any component structure where the force is applied only at two points. The point of contact of joints of truss are known as nodes. They are generally made up of triangular patterns. Nodes are the points where all the external forces and the reactionary forces due to them act and shows whether the force is tensile or compressive. There are various characteristics of trusses and are characterized as Simple truss, planar truss or the Space Frame truss.
Equilibrium Equations
If a body is said to be at rest or moving with a uniform velocity, the body is in equilibrium condition. This means that all the forces are balanced in the body. It can be understood with the help of Newton's first law of motion which states that the resultant force on a system is null, where the system remains to be at rest or moves at uniform motion. It is when the rate of the forward reaction is equal to the rate of the backward reaction.
Force Systems
When a body comes in interaction with other bodies, they exert various forces on each other. Any system is under the influence of some kind of force. For example, laptop kept on table exerts force on the table and table exerts equal force on it, hence the system is in balance or equilibrium. When two or more materials interact then more than one force act at a time, hence it is called as force systems.
Answer the following questions given the picture. Please show clear solutions, I want to learn how to solve the problem.
1a. Which of the following is the acceleration of the centroid of the plate?
A) 32.0 m/s2
B) 22.2 m/s2
C) 0 m/s2
D) 35 m/s2
1b. Which of the following is the angular acceleration of the plate?
A) 5.20 rad/s2 clockwise
B) 5.20 rad/s2 counterclockwise
C) 1.184 rad/s2 clockwise
D) 4.74 rad/s2 clockwise
![A cat with mass 4.5 kg and a mouse with 0.03 kg are
standing on top of a 2 kg thin semicircular plate as shown
below. The weights of the cat and mouse are concentrated
loads applied at points T and J respectively. The plate is
pinned at point A and I semicircular plate = (mr²)/2.
300TT mm
100 mm
A
700 mm
300T mm
400
mm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3d53998f-4545-44c0-bfeb-c9570c805b86%2F02c500a6-ac68-4bcd-ad5a-88c73a4e3b78%2F70ktbcv_processed.png&w=3840&q=75)
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