Score: 15
Activity 1: Electric Motors at Home.
Directions: For an easy start, identify some home appliances
that use electric motors. Listed on the box are home devices and below
it is the short description/s on how the electric motor functions in a device.
Your task is to write the home devices/appliances on the first column, beside the function
of the motor that matches the device. On the third column, indicate the useful energy
output for each device. Some items have already been answered. It is now your task to
finish the job
a Electric drill
g. Food blender, coffee grinder
b. Fan (floor fan, table fan, ceiling fan etc.) h. Garbage disposal in sink
C Computer disk drive and hard drive
i. Hair dryer (blow dryer)
d. Clothes washer /Clothes dryer
1. Electric toothbrush
Vacuum cleaner (including hand held models) k. Sewing machine
f Mixer
1. Battery-powered toy car or truck
Home Appliance
Function of Motor
Useful Energy Output
1
Mechanical
Electric drill
Spins drill bit
2
Spins floppy and hard drive disks
3
4
Spins propeller or vanes to circulate air
Spins beater to mix food
Spins a large drum to wash and remove
water from clothes
5
6
Spins a wheel to move needle and
thread up and down
Mechanical
Spins small fan to blow hot air out
8
Mechanical
Spins blade to grind up food wastes
9 Food blender/coffee
grinder
Spins blade to chop or grind food
10
Spins fan inside to suck air and dirt
Table 1: Electric Motors in home appliances
3​