Question

A. Choose the correct answers.

1. A razor is an example of ________
(a.) wedge (b.) screw (c.) wheel and axle

2. A force that opposes motion is called _________
( a. ) gravitational force (b.) frictional force (C.) electrical force

3. ________ is a simple machine used to draw water from a well.
(a.) Pulley (b.) Inclined plane (c.) Lever

4. Tongs are an example of a _______
(a.) first-class lever (b.) second-class lever (c.) third-class lever

5. ________ is a natural source of energy.
(a.) Rock (b.) Gravity (C.) Sun​

Answer 1

Answer:

Ans

Explanation:

1- Wedge

2-Frictional Force

3-Pulley

4-Third class lever

5-Sun

Answer 2

Explanation:

1. Wedge

2. Frictional force

3.Pulley

4. Third class lever

5. Sun