ROTATIONAL MOTION

What is the role of the wall in the ladder equilibrium?

• Supports the weight
• Provides friction
• Provides horizontal reaction force
• Stops sliding down

What is the basis for using Pythagoras theorem in the ladder problem?

• Because it is isosceles
• Because angles are equal
• Triangle ABC is right-angled at C
• Because wall is vertical

What is the effect of increasing ladder length on F1, if angle is kept same?

• F1 decreases
• F1 unchanged
• F1 increases
• F1 becomes zero

What is the primary purpose of resolving F2 into components?

• To increase accuracy
• To reduce friction
• To apply equilibrium conditions separately
• To change direction

What is the magnitude of the resultant force at the base?

• 196.0 N
• 34.6 N
• 199.0 N
• 200 N