Chapter 5: Q 79 P (page 122)

A certain particle has a weight of $22 N$ at a point where. localid="1656143387519" $g = 9.8 m / s^{2}$ What are its:(a) weight and (b) mass at a point where ^{localid="1656143411696" $g = 4.9 m / s^{2}$}? What are its (c) weight and(d) mass if it is moved to a point in space where $g = 0$ ?

Short Answer

Expert verified

$W h e n, g = 4.9 m / s^{2} w e i g h t i s 11 N$

$w h e n, g = 4.9 m / s^{2} m a s s i s 2.2 k g$

$w h e n, g = 0, w e i g h t i s 0 N W h e n, g = 0, m a s s i s 2.2 k g$

Step by step solution

Given information

It is given that,

$W = 22 N$

Determining the concept

This problem can be solved using the concept of weight and mass.

According to the concept of weight and mass,

$W = m \times a W h e r e a i s t h e a c c e l e r a t i o n d u e t o g r a v i t y$

(a) Determining the weight when g=4.9 m/s2

$W = 22 N$

m a s s (m) = \frac{22}{9.8} = 2.2 kg W h e n, g = 4.9 m / s^{2} W = 2.2 \times 4.9 = 11 N

Hence, the weight when $g = 4.9 m / s^{2} i s 11 N$

(b) Determining the mass when g=4.9 m/s2

As mass is a fundamental quantity, it will be the same anywhere,

$m = 2.2 k g$

Hence, the mass when $g = 4.9 m / s^{2} i s 2.2 k g$

(c) Determining the weight when g=0 m/s2

when

g = 0 m / s^{2} W = 2.2 \times 0 = 0 N H e n c e, t h e w e i g h t w h e n g = m / s^{2} i s 0 N

(d) Determining the mass when g=0 m/s2

Mass of the body is the same irrespective of the gravitational acceleration. So, it would have the same mass as before.

m = 2.2 k g H e n c e, t h e m a s s w h e n g = 0 m / s^{2} i s 2.2 k g

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A certain particle has a weight of $22 N$ at a point where. localid="1656143387519" $g = 9.8 m / s^{2}$ What are its:(a) weight and (b) mass at a point where ^{localid="1656143411696" $g = 4.9 m / s^{2}$}? What are its (c) weight and(d) mass if it is moved to a point in space where $g = 0$ ?

Short Answer

Step by step solution

Given information

Determining the concept

(a) Determining the weight when g=4.9 m/s2

(b) Determining the mass when g=4.9 m/s2

(c) Determining the weight when g=0 m/s2

(d) Determining the mass when g=0 m/s2

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A certain particle has a weight of 22Nat a point where. localid="1656143387519" g=9.8m/s2What are its:(a) weight and (b) mass at a point where localid="1656143411696" g=4.9m/s2? What are its (c) weight and(d) mass if it is moved to a point in space where g=0?

Short Answer

Step by step solution

Given information

Determining the concept

(a) Determining the weight when g=4.9 m/s2

(b) Determining the mass when g=4.9 m/s2

(c) Determining the weight when g=0 m/s2

(d) Determining the mass when g=0 m/s2

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Physics Textbooks

Famous Physicists

Linear Momentum

Fields in Physics

Geometrical and Physical Optics

Torque and Rotational Motion

Fluids

Study anywhere. Anytime. Across all devices.

A certain particle has a weight of $22 N$ at a point where. localid="1656143387519" $g = 9.8 m / s^{2}$ What are its:(a) weight and (b) mass at a point where ^{localid="1656143411696" $g = 4.9 m / s^{2}$}? What are its (c) weight and(d) mass if it is moved to a point in space where $g = 0$ ?