A uniform ladder of mass \(10\) kg is placed at an angle against a frictionless vertical wall, as shown in the figure, by applying a horizontal force \(F\) at the bottom \((B)\) of the ladder, towards the wall. (Take \(g=10\) m/s2).

Assume that the ground is frictionless. The force \(F\) equals:
1. \(100\sqrt3\) N 2. \(50\sqrt3\) N
3. \(\dfrac{100}{\sqrt3}\) N 4. \(\dfrac{50}{\sqrt3}\) N
Subtopic:  Torque |
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch

A block \(A\) is pushed on a smooth horizontal plane by applying a horizontal force \(F ,\) which causes an acceleration of \({\dfrac g 4}\) (\(g\): acceleration due to gravity). The block does not topple, even though the force acts at its highest point. The normal reaction shifts forward by:
                
1. \({\dfrac b 2}\) 2. \({ \dfrac b 4}\)
3. \({\dfrac b 8}\) 4. \(\dfrac b 3\)
Subtopic:  Torque |
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch

A uniform cylinder of mass \(M,\) radius \(R\) and height \(3R\) is placed upright on a horizontal surface. A particle of mass \(m\) is placed on the top of the cylinder at its edge. For what minimum value of \(m\) will the cylinder topple? 
                      
1. \(m = 3M\)
2. \(m= \dfrac {M}{3}\)
3. \(m= \dfrac {3M }{2}\)
4. No value of \(m\) will cause the cylinder to topple.
Subtopic:  Torque |
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch

advertisementadvertisement

A horizontal force \(F\) is applied to a uniform solid sphere at rest, so that its line of action passes through the mid-point (\(P\)) of the vertical radius \(OA;O\) being the centre of the sphere (mass : \(m\)). The acceleration of the uppermost point \(A\) is:
          
 
1. equal to \(\dfrac{F}{m}.\)
2. greater than \(\dfrac{F}{m}.\)
3. less than \(\dfrac{F}{m}.\)
4. unpredictable, and depends on the radius of the sphere.
Subtopic:  Torque |
 57%
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch