Share G-12 Phys , Ch-2
Save to Folder
A _______ is a solid body in which deformation is neglected.
rigid body
A ______ is a diagram showing the magnitude and diirection of all the forces acting on a chosen body.
free-body diagram
The _______ is defined as the state of balance in a system.
equilibrium
First equilibrium conditions, the sum of the forces acting on the rigid body is _____.
zero
The static equilibrium is no ______ and _____ motion.
linear , rotational
The torque is positive when the torque of a force causes _____ rotation about the axis of rotation.
counterclockwise
The SI unit of stress is ______.
Pa (pascal)
The applied force per unit cross sectional area of a material that describes the magnitude of forces that cause deformation is _____.
stress
A change in shape due to the application of a force is called ______.
deformation
_____ is a measure of a material's rigidity or stiffness.
Elastic modulus
The ratio of tensile stress and tensile strain is defined as ______.
Young's modulus
The material's highest limit before the material's plastic deformation can occur is _____ limit.
elastic
The property of a solid material that allows it to restore its shape after an external load is removed is called ____.
elasticity
______ deformation is beyond the elastic limit, materials do not obey Hooke's law.
Plastic
The amount of load required to cause plastic deformation is called the _______.
plastic limit stress (PLS)
Point where the weight vector is attached is _____.
center of gravity
