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