A $2\mathrm{.}8-$kgkg sphere rests on the smooth parabolic surface as shown in $($Figure $1).$Determine the magnitude of the normal force it exerts on the surface.

Express your answer to three significant figures and include the appropriate units.

N$=$

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Part B

Determine the mass of block BB needed to hold it in the equilibrium position shown.

Express your answer to three significant figures and include the appropriate units. A $\backslash (2\mathrm{.}8-\backslash$mathrm$\{$kg$\}\backslash )$ sphere rests on the smooth parabolic surface as shown in $($Figure $1).$

Part A

Determine the magnitude of the normal force it exerts on the surface.

Express your answer to three significant figures and include the appropriate units.

Part B

Determine the mass of block $\backslash ($ B $\backslash )$ needed to hold it in the equilibrium position shown.

Express your answer to three significant figures and include the appropriate units.

$\backslash [$

m$\_\{$B$\}=[\backslash$square

$\backslash ]$

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Figure

$1$ of $1$

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