Propulsion of boats and ships

Question 1

What are the 3 common types of propulsion?

Answer 1

By human power which includes rowing and paddling and poles. By wind power from sails. by Engine power which includes propellers paddles and wheels

Question 2

Explain what happens when a person exerts a force on the water

Answer 2

Newton’s third law of motion states that “for every action, there is an equal and opposite reaction”. The water pushes back on the oar, paddle, or pole, which acts to move the boat forward.

Question 3

What happens when u push your friend?

Answer 3

ur friend moves away from you, and the equal and opposite force on you causes you to move in the opposite direction.

Question 4

how do boats move from engine-powered propulsion?

Answer 4

The moving paddle or propeller pushes the water backward, and the equal and opposite force of the water on the propeller pushes the boat forward.