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# What are the two forces that act on a stationary boat that is afloat?

Updated: 8/10/2023 Wiki User

12y ago

The two forces that act are the weight of the boat (mass times gravity) and the upthrust of the water. If the boat is in equilibrium on the water (e.g. not sinking) then upthrust will equal weight Wiki User

12y ago   Wiki User

10y ago

It is more complicated than that.

The force pushing up is the density of the water. The force pushing down is the heaviness or mass of the boat. The fact that the boat floats is due to the balancing of forces. The force of the water can also be thought of as displacement. So long as an object in a fluid experiences an upward force equal to the weight of the fluid displaced by the object it will float.   Earn +20 pts
Q: What are the two forces that act on a stationary boat that is afloat?
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### A monkey hangs stationary at the end of a vertical vine. What two forces act on the monkey?

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### EXplain why you move forward and a boat moves backward when you jump from a boat to a pier.?

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### Explain why you move forward and the boat moves backward when you jump from a boat to a pier?

The force used when you step from the boat creates an equal reaction on the boat, which has very little friction with the water. If the boat were on the beach, friction with the sand would prevent it from moving very much.Force PairsThe forces two objects exert on each other are called force pairs. The forces in a force pair act in opposite directions and are always equal in size. To jump higher, you must push harder on the ground. Then the ground pushes harder on you.You might think that if force pairs are equal in size and act in opposite directions, they must cancel out. But remember that the forces in force pairs act on different objects. When you jump, you exert a force on Earth, and Earth exerts a force on you. One force in the force pair acts on Earth, and the other force acts on you. These forces don't cancel out because they act on different objects. Equal and opposite forces cancel out only if they act on the same object.Action and ReactionAccording to the third law of motion, forces always act in pairs. For example, when you push on a wall, the wall pushes back on you. One force of the force pair is called the action force, and the other force is the reaction force. Your push on the wall is the action force, and the wall pushing back on you is the reaction force. For every action force, there is a reaction force that is equal in size, but in the opposite direction.

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That depends. If no forces act on the object, it will. If forces do act on the objects, such forces may change the object's velocity.