Correct Answer: Option C

Explanation

A single pulley is a device composed of a wheel on an axle over which a rope, cord, or similar implement is looped.

• the cost of painting a room consists of two parts. one partially varies directly with area and the other to... Answer this

  3 Answers   ·   Mathematics   ·   2 years ago
• River A and River B have combined length of 650 miles and River B is 250 miles shorter than River... Answer this

  2 Answers   ·   3 hours ago
• The rotating disc in a siren has 42 holes and makes 30rev/s. the frequency of sound emitted by the siren... Answer this

  2 Answers   ·   Physics   ·   3 years ago