Home
Class 12
PHYSICS
If a ladder is not in balance against a ...

If a ladder is not in balance against a smooth vertical wall, then it can be made in balance by :

A

Decreasing the length of ladder

B

Increasing the length of ladder

C

Increasing the angle of inclination

D

Decreasing the angle of inclination

Text Solution

Verified by Experts

The correct Answer is:
C

Increasing angle causes equilibrium.
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-III|28 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-I|52 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos
  • RACE

    ALLEN|Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|24 Videos

Similar Questions

Explore conceptually related problems

A ladder of length l and mass m is placed against a smooth vertical wall, but the ground is not smooth. Coefficient of friction between the ground and the ladder is mu . The angle theta at which the ladder will stay in equilibrium is

If a ladder which is 10m long rests against a vertical wall. If the base of ladder slides away from the wall at 1 m/s then how fast is the top of the ladder sliding down along the wall when the base is 6 m from the wall ?

A uniform ladder of length 3.25 m and weight 250 N is placed against a smooth vertical wall with its lower end 1.25 m from the wall. If coefficient of friction between the ladder and the floor is 0.3, then, find the frictional force acting on the ladder at the point of contact between ladder and floor.

A rod of length I leans by its upper end against a smooth vertical wall, while its other end leans against the floor. The end that leans against the wall moves uniformly downward. Then:

A rod of length 'l' is inclined at an angle 'theta' with the floor against a smooth vertical wall. If the end A moves instantaneously with velocity v_(1) , what is the velocity of end B at the instant when rod makes 'theta' angle with the horizontal.

A uniform ladder of mass 10 kg leans against a smooth vertical wall making an angle of 53^0 with it. The other end rests on a rough horizontal floor. Find the normal force and the frictional force that the floor exerts on the ladder

If a ladder weighting 250 N in placed a smooth vertical wall having coefficient of friction between it and floor 0.3, then what is the maximum force of friction available at the point of contact between the ladder and the floor? a) 75 N b) 50 N c) 35 N d) 25 N

A uniform ladder which is 5m long has a mass of 25kg , leans with its upper end against a smooth vertical wall and its lower end on rough ground. The bottom of the ladder is 3m from the wall. Calculate the frictional force between the ladder and the ground . (g=10ms^(-2) )

A ladder 5 m long leans against a vertical wall. The bottom of the ladder is 3m from the wall. If the bottom of the ladder is pulled 1 m farther from the wall, how much does the top of the ladder slide down the wall

A ladder 5 m in length is resting against vertical wall. The bottom of the ladder is pulled along the ground away from the wall at the rate of 1.5m/sec. Then the highest point of the ladder when the foot of the ladder is 4.0 m away from the wall , decreases at the rate of

ALLEN-NEWTONS LAWS OF MOTION-EXERCISE-II
  1. If the force on a rocket, moving with a velocity of 300ms^(-1) is 210 ...

    Text Solution

    |

  2. In the fig. mass M=10gm. Is placed on an inclined plane. In order to k...

    Text Solution

    |

  3. A machine gun fires bullets of 50gm at the speed of 1000m/sec. If an a...

    Text Solution

    |

  4. The mechanical advantage of a wheel axle is 5 what will be thereforce ...

    Text Solution

    |

  5. A body of mass 100g is sliding on a inclined plane with an inclination...

    Text Solution

    |

  6. As shown in figure a monkey of 20g mass is holding a light rope that p...

    Text Solution

    |

  7. A bird is sitting on the floor of a wire cage and the cage is in the h...

    Text Solution

    |

  8. Two bodies A (30 kg) and B (50 kg) tied with a light string are placed...

    Text Solution

    |

  9. Weight is defined as:-

    Text Solution

    |

  10. A string of length L and mass M is lying on a horizontal table. A forc...

    Text Solution

    |

  11. A man is standing on a sparing platform, Reading of spring balaance is...

    Text Solution

    |

  12. A rocket of mass 120kg. Is fired in the gravity free space is ejected ...

    Text Solution

    |

  13. If 100N force is applied to 10kg. block as shown in diagram then accel...

    Text Solution

    |

  14. If a ladder is not in balance against a smooth vertical wall, then it ...

    Text Solution

    |

  15. A blocks is dragged on a smooth plane with the help of a rope which mo...

    Text Solution

    |

  16. In the arrangement shown in figure, the ends P and Q of an unstretchab...

    Text Solution

    |

  17. A trolley T of mass 5kg on a horizontal smooth surface is pulled by a ...

    Text Solution

    |

  18. A weightless inextensible rope rests on a stationary wedge forming an ...

    Text Solution

    |

  19. If acceleration of M is a then acceleration of m is

    Text Solution

    |

  20. If acceleration of A is 2m//s^(2) to left and acceleration of B is 1m/...

    Text Solution

    |