# reaction force on the boom.от3. A uniform ladder (m50 kg) is leaning against a smooth wall. If the floor isrough with us = .5:а.Draw the FBD for the ladder.b. Write 1st and 2nd conditions of equilibrium for theladder.c. Find the critical angle the ladder makes with thefloor when it is about to slipd. What is the friction force between the ladder and the ground?4. A physics student (M 60 kg) climbs 34 way up the ladder in problem 3. What isthe critical angle now?11

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What is the critical angle the ladder makes with the floor when it is about tob slip?

What is the friction force between the ladder and the ground?

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Step 1

The ratio of ‘balancing lengths’ seen on the bridge wire is used for the measurement of the ratio of the two resistors which are taken for comparison in the meter bridge setup.

In the above mentioned problem, two equilibrium conditions will have to be specified.

• Translational equilibrium
• Rotational equilibrium.

From the free body diagram of the ladder, that the translational equilibrium conditions are illustrated as follows

Step 2

The equilibrium condition is

Step 3

Using the above condition to establish relation between the f...

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