Physics > 2006 > 15
JAMB UTME
I. Work done by load is always less than the work done by effort
II. All machines are made of levers, pulleys, screws and gear wheels
III. A fishing rod is a machine
IV. Effort is always larger than load.
Which of the statements above about machines are true?
II. All machines are made of levers, pulleys, screws and gear wheels
III. A fishing rod is a machine
IV. Effort is always larger than load.
Which of the statements above about machines are true?
A.
III and IV
B.
I and II
C.
I and III
D.
II and III
Answer: C
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