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(a) You stand on a spring-loaded bathroom scale in a bathroom. The scale “reads” your mass. What is the scale actually measuring? (b) You stand on a spring-loaded bathroom scale in an elevator that is accelerating upward at 2.0 m/s 2 .The scale “reads” your mass. What is the scale measuring? (A) Your mass. (B) Your weight. (C) The force of the scale pushing up on the your feet. (D) The force of your feet pushing down on the scale.
(a) You stand on a spring-loaded bathroom scale in a bathroom. The scale “reads” your            mass. What is the scale actually measuring? (b) You stand on a spring-loaded bathroom            scale in an elevator that is accelerating upward at 2.0 m/s2.The scale “reads” your mass. What is the scale measuring?(A) Your mass.(B) Your weight.(C) The force of the scale pushing up on the your feet.(D) The force of your feet pushing down on the scale.

```
5 years ago

Deepak Patra
471 Points
```							(a) The correct option is (B) your weight.You can measure the weight directly if you stand on a spring-loaded bathroom scale in a bath-room with a display. It indicates the magnitude of the force that the bathroom scale is exerting on the body. If the body is at rest, then the net vertical force will be zero and so the upward force on the body due to the platform must equal the downward force on the body due to the Earth (the weight). Therefore the scale is actually measuring your weight. Thus option (B) is correct.(b) The correct option is (C) the force of the scale pushing up on your feet.There is an upward force will exert on the system due to the upward acceleration of the elevator. Since you are in a stationary position, the inertia of our body always tries to keep stationary position in accordance with law of inertia. So the force of scale and floor of the elevator is pushing up on your feet in the upward direction of the elevator. Therefore, the total system will move in the upward direction. Thus the scale is measuring the force of the scale pushing up on your feet.From the above observation we conclude that, option (C) is correct.
```
5 years ago
jhgfcd
21 Points
```							D
```
5 years ago
jhgfcd
21 Points
```							2
```
5 years ago
jhgfcd
21 Points
```							3
```
5 years ago
22 Points
```							D
```
5 years ago
Archita
132 Points
```								weight	the force of the scale pushing up on your feet
```
5 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions