Please evaluate the statements: Always true: the statement is true under any circumstances Not necessarily true: the statement may be true in some circumstances, but not in others Always false: under no circumstances is this true Options: {Always true/ not necessarily true/ always false} 1. Velocity is the time derivative of acceleration. 2. If you have no acceleration, you have no velocity. 3. If you don't move, the velocity is zero. 4. You can move without acceleration.
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
Please evaluate the statements:
- Always true: the statement is true under any circumstances
- Not necessarily true: the statement may be true in some circumstances, but not in others
- Always false: under no circumstances is this true
Options: {Always true/ not necessarily true/ always false}
1. Velocity is the time derivative of acceleration.
2. If you have no acceleration, you have no velocity.
3. If you don't move, the velocity is zero.
4. You can move without acceleration.
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