A hair dryer's electric motor is supplied with 900 kJ of electrical energy but only has an output of 700 kl of rotational energy.
a)
Explain why the input energy is not equal to the output energy of the electric motor.

spare some change and give it to the poor

explanation:

plz : ((

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

explanation:

to push or pull an object in a certain direction is known as force. a force in moving an object from one place to another.

force depends on the mass of an object. so, more is the mass of an object more will be the force required to move the object.

thus, we can conclude that the use of force to move an object is push or pull.