work done
c.
20.
18. work done
c. Briefly describe what mean ‘the efficiency machine’. Which the following may defined ‘may cause stationary
object move bring moving body rest’:
a. Sketch the construction simple alternator and label all the parts. weight
13.
17. acceleration
b. power
d. Which the following may defined ‘the force applied times
the distance moved the direction the force’:
a. Briefly define what mean ‘simple machine’ and give five
examples. Which the following may defined ‘the rate doing work’:
a. mass
d. acceleration
b. acceleration
b. power
d. State how emf induced alternator.
. Sketch and name the
shape the generated emf.c. Calculate state the average rms and maximum value the
domestic a. work done
c. force
c.12. Which the following may defined ‘the speed given
direction’:
a. velocity
15. Briefly describe what mean turning force’ and give five
practical examples this effect.
19. velocity
16. acceleration
b. mains supply and show these values sketch the
mains supply. velocity
14. power
d.
21
