Math Problem Statement
A 40-kg cart on a horizontal floor is being pulled to the right by a 200 N force at 450 from the horizontal. The cart is rolling without friction. The normal force on the cart is closest to
Solution
To find the normal force on the cart, we need to consider the forces acting on it. The cart has a weight due to gravity and is subject to the vertical component of the applied force.
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Weight of the cart (W):
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Vertical component of the applied force (F_v): The applied force is 200 N at an angle of 45° from the horizontal.
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Normal force (N): The normal force acts upward, balancing the weight of the cart and the vertical component of the applied force. Thus, the normal force is given by:
The normal force on the cart is closest to 251 N.
Do you want details or have any questions?
Here are some related questions you might consider:
- How does the angle of the applied force affect the normal force?
- What would happen to the normal force if the angle increased to 60°?
- How would friction change the normal force calculation?
- What are the implications of a heavier cart on the normal force?
- How do you calculate the net force acting on the cart horizontally?
Tip: Always resolve forces into their components when dealing with angled forces; it simplifies calculations significantly.
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Math Problem Analysis
Mathematical Concepts
Physics
Force Analysis
Trigonometry
Formulas
Weight (W) = m * g
Vertical component of force (F_v) = F * sin(θ)
Normal force (N) = W - F_v
Theorems
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Suitable Grade Level
Grades 9-12
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