Question

4. In a wheel-and-axle arrangement, the wheel
must be
(a) equal to the axle
(b) larger than the axle
(c) smaller than the axle
(d) of circular shape​

Answer 1

Explanation:

of circular shape..

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Answer 2

Answer:

a) equal to the axel

Explanation:

that is the circumference of circle is equal to the whole length of axle