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A vector can represent the direction and strength of a force.
A vector can represent the direction and strength of a force.
It is an effort machine
Those kinds of devices are called machines.
It is a device that can store elastic energy. It is not a machine, which changes force and distance and/or direction.
Machine
A vector can represent the direction and strength of a force.
A vector can represent the direction and strength of a force.
It is an effort machine
Those kinds of devices are called machines.
It is a device that can store elastic energy. It is not a machine, which changes force and distance and/or direction.
changes the direction of a force
which pulley changes the direction of force
when it changes its direction
A fixed pulley changes the direction of the force.
It changes the direction of the input force only
Force changes either the speed or the direction of motion, or both.