Which of the following statement (s) is/are wrong?

Options

A. The mass of moving object in the earth's atmosphere is zero
B. The weight of an object at rest on the earth's surface can be zero
C. The weight of moving object in the earth's atmosphere can be 2 times its weight , when it is at rest on the earth's surface.
D. All of the above

Answer

To determine which of the statements is wrong, let's analyze each statement one by one.

### Step 1: Analyze the First Statement
**Statement:** The mass of a moving object in Earth's atmosphere is zero.

- **Analysis:** This statement is incorrect. The mass of an object is an intrinsic property and does not change based on its motion or location. Even if an object is moving, its mass remains constant. Therefore, this statement is wrong.

### Step 2: Analyze the Second Statement
**Statement:** The weight of an object at rest on Earth's surface can be zero.

- **Analysis:** This statement is also incorrect. The weight of an object at rest on the Earth's surface is given by the formula \( W = mg \), where \( m \) is the mass and \( g \) is the acceleration due to gravity. Since both mass and gravity are non-zero on the Earth's surface, the weight cannot be zero. Therefore, this statement is wrong.

### Step 3: Analyze the Third Statement
**Statement:** The weight of a moving object in Earth's atmosphere can be two times its weight when it is at rest on the Earth's surface.

- **Analysis:** This statement is incorrect as well. The weight of an object is determined by its mass and the gravitational force acting on it, which remains constant regardless of whether the object is moving or at rest. Thus, the weight cannot be two times its weight when at rest. Therefore, this statement is wrong.

### Step 4: Analyze the Fourth Statement
**Statement:** All of the above statements are wrong.

- **Analysis:** Since we have established that the first three statements are indeed wrong, this statement is correct.

### Conclusion
Based on the analysis, the wrong statements are:
1. The mass of a moving object in Earth's atmosphere is zero.
2. The weight of an object at rest on Earth's surface can be zero.
3. The weight of a moving object in Earth's atmosphere can be two times its weight when it is at rest on the Earth's surface.

Thus, the answer is that all three statements are wrong.

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