Newton's Third Law Quick Check
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Question
When someone jumps down on a trampoline, that person is propelled upwards. Choose the best statement describing how this demonstrates Newton’s third law.(1 point)
Responses
The trampoline pushes back with equal force but in the opposite direction.
The trampoline pushes back with equal force but in the opposite direction.
The direction of the motion is changed by the surface area of the jumper that comes in contact with the trampoline.
The direction of the motion is changed by the surface area of the jumper that comes in contact with the trampoline.
The color of the trampoline’s jumping surface can affect the reaction force.
The color of the trampoline’s jumping surface can affect the reaction force.
The style of the jumper’s footwear affects the first action of compressing the jumping surface.
The trampoline pushes back with equal force but in the opposite direction.
When inflating a balloon, which of the following represents an equal but opposite force acting on the balloon?(1 point)
Responses
releasing the balloon
releasing the balloon
tying the balloon
tying the balloon
the expansion of the balloon
the expansion of the balloon
the air entering the balloon
the air entering the balloon
A force of 30 N to the right is applied to an object. An opposite force of 20 N to the left is applied to the same object. What is the net force applied to the object?(1 point)
Responses
10 N to the right
10 N to the right
50 N to the left
50 N to the left
10 N to the left
10 N to the left
50 N to the right
50 N to the right
10 N to the right
Two objects with the same mass have the same force applied to them. What can be said of their acceleration?(1 point)
Responses
Their acceleration will depend on their net force, which is not provided.
Their acceleration will depend on their net force, which is not provided.
Their acceleration will be the same.
Their acceleration will be the same.
Their acceleration will depend on their weight, which is not provided.
Their acceleration will depend on their weight, which is not provided.
Their acceleration will be different.
Their acceleration will be the same.
What do force diagrams show?(1 point)
Responses
the balanced forces acting on an object
the balanced forces acting on an object
the magnitude and direction of forces acting on an object
the magnitude and direction of forces acting on an object
the mass of forces acting on an object
the mass of forces acting on an object
the acceleration of forces acting on an object
the magnitude and direction of forces acting on an object
The best statement describing how jumping on a trampoline demonstrates Newton's third law is: "The trampoline pushes back with equal force but in the opposite direction."
Explanation:
Newton's third law states that for every action, there is an equal and opposite reaction. In the case of jumping on a trampoline, when a person exerts a downward force on the trampoline surface, the trampoline surface exerts an equal force back on the person in the opposite direction. This upward force from the trampoline causes the person to be propelled upwards.
To answer this question, you need to understand Newton's third law and how it applies to the situation. The other statements provided, such as the surface area of the jumper or the color of the trampoline's surface, do not accurately explain Newton's third law in this context.