Which of the following is a compound machine?
A). Screw
B). Knife
C). Bicycle
D). Ramp
Bicycle
Bicycle is an example of compound machine. A compound machine is a combination of two or more simple machines.
1. What colour does blue and yellow make?
2. Speed of sound is the greatest in :
3. Global warming is expected to result in
4. Liquids and gases never show
5. The wall of a dam is broader at the base
8. The dimension MLT–2 corresponds to
9. Total internal reflection cannot take place when light goes from: