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3 years ago

A box of groceries requires 5.0 newtons of force to lift it up 1.0 meter. How much work is done?

Physics

2 answers:

Triss [41]3 years ago

8 0

5.0j as we know that work is derived as force into displacement so 5*1=5si force will be 5.0j

professor190 [17]3 years ago

6 0

Work is done when a force that is applied to an object moves that object. Thework is calculated by multiplying the force by the amount of movement of an object. We do as follows:

W = Fd
W = 5 x 1.0
W = 5 J <----OPTION D

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3 years ago

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ra1l [238]

Answer:

a) $I=0.012\ kg.m^2$

b) $I=0.012\ kg.m^2$

Explanation:

Given that:

mass of rod, $m=0.4\ kg$

length of the rod, $l=0.6\ kg$

(a)

Moment of inertia of rod about its center and perpendicular to the rod is given as:

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We treat it as two rod with axis of rotation at the end and perpendicular to the plane of rotation. 

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$I=I_1+I_2$

$I=\frac{1}{3} \frac{m}{2} (\frac{l}{2})^2 +\frac{1}{3} \frac{m}{2} (\frac{l}{2})^2$

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3 years ago

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klio [65]

Answer:

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Explanation:

The increase is three so when you add three to 66, well you get 69 :)

Hope this helps!

All the love, Ya boi Fraser :)

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