When 10 N force applied at 30 degrees to the end of a 20 cm handle of a wrench, it was just able to loosen the nut. What magnitude of the force would require to just loosen the nut, if the force apply perpendicularly at the end of the handle

Answers

Answer 1

Answer:

Answer:

5N

Explanation:

To get the magnitude of the force would require to just loosen the nut, if the force apply perpendicularly at the end of the handle, we will have to resolve the force perpendicular to the wrench. Torque is the turning effect of a body or force about a point. It is similar to moments.

Torque = Force * radius

Note that the force must be perpendicular to the wrench. On resolving the force perpendicularly to the wrench, we will have to resolve the force to the vertical.

Fy = Fsinθ

Fy = 10sin30°

Fy = 10 * 0.5

Fy = 5N

Torque = Fy * r

Given Fy = 5N and r = 20cm = 0.2m

Torque = 5 * 0.2

Torque = 1Nm

Hence the magnitude of the force would require to just loosen the nut, if the force apply perpendicularly at the end of the handle is 5N

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Answers

Let's rank the atoms A (Gold), B (Copper), C (Carbon), and D (Silver) based on:

a. Mass (atomic mass or atomic weight)

b. Number of electrons

c. Number of protons

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1. Gold (A) has an atomic mass of approximately 196.97 atomic mass units (u).

2. Silver (D) has an atomic mass of approximately 107.87 u.

3. Copper (B) has an atomic mass of approximately 63.55 u.

4. Carbon (C) has an atomic mass of approximately 12.01 u.

Ranking by mass from most to least:

1. Gold (A) - 196.97 u

2. Silver (D) - 107.87 u

3. Copper (B) - 63.55 u

4. Carbon (C) - 12.01 u

b. Number of Electrons:

The number of electrons in an atom is equal to the number of protons, which is also the atomic number.

1. Gold (A) has an atomic number of 79, so it has 79 electrons.

2. Silver (D) has an atomic number of 47, so it has 47 electrons.

3. Copper (B) has an atomic number of 29, so it has 29 electrons.

4. Carbon (C) has an atomic number of 6, so it has 6 electrons.

Ranking by the number of electrons from most to least:

1. Gold (A) - 79 electrons

2. Silver (D) - 47 electrons

3. Copper (B) - 29 electrons

4. Carbon (C) - 6 electrons

c. Number of Protons:

The number of protons in an atom is equal to the atomic number.

1. Gold (A) has an atomic number of 79, so it has 79 protons.

2. Silver (D) has an atomic number of 47, so it has 47 protons.

3. Copper (B) has an atomic number of 29, so it has 29 protons.

4. Carbon (C) has an atomic number of 6, so it has 6 protons.

Ranking by the number of protons (which is the same as the ranking by the number of electrons):

1. Gold (A) - 79 protons

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Learn more about Ranking atoms by mass, number of electrons, and number of protons here:

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