Home
Class 12
PHYSICS
In Fig. 5-45, a crate of mass m = 115 kg...

In Fig. 5-45, a crate of mass m = 115 kg is pushed at constant speed up a frictionless ramp `(theta=30.0^(@))` by a horizontal force `vec(F)`. What are the magnitudes of (a) `vec(F)` and (b) the force on the crate from the ramp ?

Text Solution

Verified by Experts

(a) `651N,` (b) `1.30xx10^(3)N`
Promotional Banner

Topper's Solved these Questions

  • FORCE AND MOTION - I

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Single Correct Choice Type)|36 Videos

  • FORCE AND MOTION - I

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (More than One Correct Choice Type)|5 Videos

  • FORCE AND MOTION - I

    RESNICK AND HALLIDAY|Exercise CHECKPOINT|5 Videos

  • FLUIDS

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Integer Type )|5 Videos

  • FORCE AND MOTION-II

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Integer Type)|1 Videos

Similar Questions

Explore conceptually related problems

A uniform ball, of mass M = 6.00 kg and radius R, rolls smoothly from rest down a ramp at angle theta = 30.0^(@) . What are the magnitude and direction of the frictional force on the ball as it rolls down the ramp?

In Fig. 6-37, a block of mass m = 5.0 kg is at rest on a ramp. The coefficient of static friction between the block and ramp is not known. Find the magnitude of the net force exerted by the ramp on the block.

In Fig. 5-29, a block of mass m = 5.00 kg is pulled along a horizonttal frictionless floor by a cord that exerts a force of magnitude F = 12.0 at an angle theta=25.0^(@) . Figure 5-29 A block is pulled along a horizontal floor. (a) What is the magnitude of the block's acceleration?

A block of mass 2.5 kg is pushed 2.20 m along a frictionless horizontal table by a constant force 16 N directed 45^@ above the horizontal. Determine the work done by. (a) the applied force, (b) the mormal force exerted by the table, (c) the force of gravity and (d) determine the total work done on the block.

Two blocks of mass m = 1 kg and M = 2 kg are in contact on a frictionless table. A horizontal force F(= 3N) is applied to m. The force of contact between the blocks, will be-

Figure 5-59 shows a box of mass m_(2)=1.0 kg on a friction-less plane inclined at angle theta=30^(@) . It is connected by a cord of negligible mass to a mass m_(1)=2.5 kg on a horizontal frictionless surface. The pulley is frictionless and massless. (a) If the magnitude of horizontal force vec(F) is 2.3 N, what is the tension in the connecting cord? (b) What is the largest value the magnitude of vec(F) may have without the cord becoming slack?

In Fig. 6-42, a box of Cheerios (mass m_(c)= 1.0 kg) and a box of Wheaties (mass m_(w) = 3.0 kg) are accelerated across a horizontal surface by a horizontal force vecF applied to the Cheerios box. The magnitude of the frictional force on the Cheerios box is 2.0 N, and the magnitude of the frictional force on the Wheaties box is 3.5 N. If the magnitude of vecF is 12 N, what is the magnitude of the force on the Wheaties box from the Cheerios box?

A box of mass m=2 kg resting on a frictionless horizontal ground is acted upon by a horizontal force F, which varies as shown. Find speed of the particle when force ceases to act.

A block of mass m = 10 kg is pulled by a force F = 100 N at an angle theta=30^(@) with the horizontal along a smooth horizontal surface. What is the acceleration of the block? (g = 10m//s^(2))

RESNICK AND HALLIDAY-FORCE AND MOTION - I -PROBLEMS
  1. Figure 5-44 shows an overhead view of a 0.0250 kg lemon half and two o...

    Text Solution

    |

  2. A 1500 kg cable car moves vertically by means of a cable that connects...

    Text Solution

    |

  3. In Fig. 5-45, a crate of mass m = 115 kg is pushed at constant speed u...

    Text Solution

    |

  4. An object weighs 2.50 kg. In time t, measured in seconds, the velocity...

    Text Solution

    |

  5. Holding on to a tow rope moving parallel to a frictionless ski slope, ...

    Text Solution

    |

  6. A boy with a mass of 35 kg and a sled with a mass of 6.5 kg are on the...

    Text Solution

    |

  7. A 50 kg skier skis directly down a frictionless slope angled at 10^(@)...

    Text Solution

    |

  8. A bead of mass 2.5xx10^(-4) kg is suspended from a cord. A steady hori...

    Text Solution

    |

  9. A dated box of dates, of mass 4.50 kg, is sent sliding up a frictionle...

    Text Solution

    |

  10. In earlier days, horses pulled barges down canals in the manner shown ...

    Text Solution

    |

  11. If Fig. 5-48, a chain consisting of five links, each of mass 0.100 kg,...

    Text Solution

    |

  12. A lamp hangs vertically from a cord in a descending elevator that dece...

    Text Solution

    |

  13. An elevator cab that weighs 29.0 kN moves upward. What is the tension ...

    Text Solution

    |

  14. An elevator cab is pulled upward by a cable. The cab and its single oc...

    Text Solution

    |

  15. The Zacchini family was renowned for their human-cannonball act in whi...

    Text Solution

    |

  16. Figure 5-50 shows two blocks connected by a cord (of negligible mass) ...

    Text Solution

    |

  17. A 93 kg man lowers himself to the grouund from a height of 10.0 m by h...

    Text Solution

    |

  18. As shown in Fig. 5-51, body C (2.9 kg) and body D (1.9 kg) are suspend...

    Text Solution

    |

  19. Figure 5-52 shows four penguins that are being play-fully pulled along...

    Text Solution

    |

  20. Two blocks are in contact on a frictionless table. A horizontal force ...

    Text Solution

    |