Question

Give two examples each of a wedge and a wheel and axle arrangement.

Answer 1

Wedge

1. It's the edge of a smooth slanted surface.
2. Wedge is a triangular-shaped tool, a compound and portable inclined plane.
3. It can be used to separate two objects or portions of an object.
4. Examples: axe blade is a wedge.
5. Examples: chisel, knife and saw.

Wheel and axle

1. Wheel and axle is an arrangement in which the wheel is attached to a rod called the axle.
2. Such an arrangement helps in moving a heavy load with a much smaller effort.
3. Examples: screwdriver is an example of wheel and axle arrangement.
4. Examples: doorknob, roller skate, the steering wheel of a car, wheels of a car.