There are no moving parts, therefore it is not a machine. A chair is an object.
Pendulum-type
Answering "A simple 2.80 m long pendulum oscillates in a location where g9.80ms2 how many complete oscillations dopes this pendulum make in 6 minutes
A complex machine.
A train is not a simple machine.
A fulcrum is a part of a simple machine, the lever. Without the fulcrum what is left of the simple machine can no longer increase the applied force and is no longer a simple machine.
A pendulum.
A pendulum is a type of simple machine called a lever. It consists of a rod with a weight (bob) at one end and a pivot point at the other. The swinging motion of the pendulum results from the transfer of gravitational potential energy to kinetic energy.
A pendulum contraption is typically classified as a compound machine, as it combines multiple simple machines like a lever, a wheel and axle, and potentially a pulley system to function.
Pendulum-type
A pendulum is a type of simple machine known as an oscillating or swinging lever. It consists of a mass (bob) attached to a fixed point by a rod or string and utilizes the force of gravity to create a repetitive back-and-forth motion.
A simple pendulum exhibits simple harmonic motion
Compound pendulum is a physical pendulum whereas a simple pendulum is ideal pendulum. The difference is that in simple pendulum centre of mass and centre of oscillation are at the same distance.
A compound pendulum is called an equivalent simple pendulum because its motion can be approximated as that of a simple pendulum with the same period. This simplification allows for easier analysis and calculation of its behavior.
applications of simple pendulum
The simple pendulum can be used to determine the acceleration due to gravity.
A simple pendulum has one piece that swings. A complex pendulum has at least two swinging parts, attached end to end. A simple pendulum is extremely predictable, while a complex pendulum is virtually impossible to accurately predict.
A simple pendulum.