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3 years ago

14

Two people person A and person B lift the same amount of weight but person A lifts it in a shorter amount of time who has more p

ower and why

1 answer:

const2013 [10]3 years ago

3 0

Person A has more muscular strength then person B. B has muscular endurance.

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A waitperson carrying a tray with a platter on it tips the tray at an angle of 12 degrees below the horizontal. If the gravitati

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Answer:1.04 N

Explanation:

Given

Gravitational Force on the Platter is $5 N$

Tray makes an angle of $\theta =12^{\circ}$

This gravitational Force has components along and Perpendicular to Platter

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$W_p=5\times \cos 12=4.89 N$

Along the Tray

$W_{along}=W\sin \theta$

$W_{along}=5\times \sin 12=1.04 N$

Thus 1.04 N is the magnitude of force that will cause Platter to slide down

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