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A horse stands on a flat surface. If the horse has a mass of 186 kg, what is the normal force acting on it?

A. 1762 N
B. 2019 N
C. 1823 N
D. 1456 N

Answer :

To find the normal force acting on the horse, you can use the formula for weight, which is the force exerted by the mass of an object in the presence of gravity. The normal force will be equal to this weight since the horse is standing on a flat surface. Here’s how you can calculate it:

1. Identify the Mass and Gravity:
- The mass of the horse is given as 186 kg.
- The acceleration due to gravity is approximately 9.81 m/s² on Earth.

2. Use the Formula for Force:
- The formula to calculate the normal force (which is the gravitational force in this case) is:
[tex]\[
\text{Normal force} = \text{mass} \times \text{gravity}
\][/tex]

3. Calculate the Normal Force:
- Substitute the given values into the formula:
[tex]\[
\text{Normal force} = 186 \, \text{kg} \times 9.81 \, \text{m/s}^2 = 1824.66 \, \text{N}
\][/tex]

The normal force acting on the horse is approximately 1824.66 N. Among the options provided, choice C. 1823 N is the closest value to this result.

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Rewritten by : Barada