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17 October, 17:35

A child drags a 0.518 kg toy elephant

across flat ground at constant speed,

with a 5.23 N force at a 51.0° angle.

What is the normal force acting on

the toy?

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Answers (1)
  1. 17 October, 17:47
    0
    The normal component of force applied = 5.23 sin 51 N

    Let R be the reaction force from the ground. Weight of the toy

    W = mg

    .518 x 9.8

    = 5.07 N

    As there is no movement in vertical direction, these forces will um up to zero

    W - R - 5.23 SIN 51 = 0

    R = W - 5.23 SIN 51

    5.07 - 4.06 N.

    1.01 N.
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