Explanation:
Let
and 
The sum of the two vectors is


The difference between the two vectors can be written as


The answer is A. speed
hope this helps! :D
Answer:
An electric motor is a device that changes electrical energy into mechanical energy. This change occurs due to the interaction between the magnetic field of magnets and the magnetic field due to the electric current in the loop. The interaction between the two produces a torque that makes the loop rotate on a shaft.
Answer:
a force
Explanation:
Because if we apply force then only an object can slow down, speed up or change direction