Question

The watt and the horsepower are both units of
.
4. As the thickness of a wedge of given length increases, its IMA
.
5. A watch consists of a complex systems of gears. Each gear acts as a
continuous .

Answer 1

The watt and the horsepower are both units of power (rate of doing work).

4. As the thickness of a wedge of given length increases, its IMA decreases (IMA ≈ length/thickness).

5. Each gear acts as a continuous lever (a wheel-and-axle type lever acting around its circumference).