A body of mass $10 k g$ is placed in a lift moving upward with an acceleration of $2 m / s^{2}$ . The apparent weight of body is $(g = 9.8 m / s^{2})$

118N

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78N

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98N

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198N

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Solution

The correct option is A 118N
Given,
$a = 2 m / s^{2}$
$g = 9.8 m / s^{2}$
$m = 10 k g$
When a lift is moving upward , then the apparent weight of the body is
$W = m (g + a)$
$W = 10 (9.8 + 2) = 118 N$
The correct option is A.

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A body of mass 10kg is placed in a lift moving upward with an acceleration of 2m/s2. The apparent weight of body is (g=9.8m/s2)

The correct option is A 118NGiven,a=2m/s2g=9.8m/s2m=10kgWhen a lift is moving upward , then the apparent weight of the body isW=m(g+a)W=10(9.8+2)=118NThe correct option is A.

A body of mass $10 k g$ is placed in a lift moving upward with an acceleration of $2 m / s^{2}$ . The apparent weight of body is $(g = 9.8 m / s^{2})$

The correct option is A 118N
Given,
$a = 2 m / s^{2}$
$g = 9.8 m / s^{2}$
$m = 10 k g$
When a lift is moving upward , then the apparent weight of the body is
$W = m (g + a)$
$W = 10 (9.8 + 2) = 118 N$
The correct option is A.