Home
Class 11
PHYSICS
A block of mass 2.5 kg is pushed 2.20m a...

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.

Text Solution

AI Generated Solution

To solve the problem step by step, we will calculate the work done by the applied force, the normal force, the force of gravity, and finally, the total work done on the block. ### Given Data: - Mass of the block, \( m = 2.5 \, \text{kg} \) - Displacement, \( s = 2.20 \, \text{m} \) - Applied force, \( F = 16 \, \text{N} \) - Angle of applied force above the horizontal, \( \theta = 45^\circ \) ...
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • WORK, ENERGY & POWER

    DC PANDEY ENGLISH|Exercise Exercise 9.2|9 Videos
  • WORK, ENERGY & POWER

    DC PANDEY ENGLISH|Exercise Exercise 9.3|2 Videos
  • WORK, ENERGY & POWER

    DC PANDEY ENGLISH|Exercise Miscellaneous Example|6 Videos
  • WAVE MOTION

    DC PANDEY ENGLISH|Exercise Integer Type Question|11 Videos
  • WORK, ENERGY AND POWER

    DC PANDEY ENGLISH|Exercise MEDICAL ENTRACES GALLERY|33 Videos

Similar Questions

Explore conceptually related problems

A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m. If a force P is applied at the free end of the rope, the force exerted by the rope on the block is

A block of mass 2 kg is pulled along circular arc from position X to Y as shown in figure. The work done by the horizontal force is pulling the block from X to Y is

Knowledge Check

  • A block of mass M is pulled along horizontal firctionless surface by a rop of mass m. Force P is applied at one end of rope. The force which the rope exerts on the block is

    A
    `(P)/(M-m)`
    B
    `(P)/(M(m +M))`
    C
    `("PM")/((m + M))`
    D
    `("PM")/(M-m)`
  • Similar Questions

    Explore conceptually related problems

    A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m . Force F is applied at one end of rope. The force which the rope exerts on the block is:

    A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m as shown in A horizontal force F is applied to one end of the rope. Find (a) the acceleration of the rope and block (b) the force that the rope exerts on the block (c) the tension in the rope at its mid point

    A block of mass M is pulled on a smooth horizontal table by a string making an angle theta with the horizontal as shown in figure. If the acceleration of the block is a , find the force applied by the string and by the table N on the block.

    A block of mass 20kg is placed on a rough horizontal plane and a horizontal force of 12N is applied. If coefficient of friction is 0.1 the frictional force acting on it is,

    A person pushes a block of mass 4 kg up a frictionless inclined plane 10 m long and that makes an angle of 30^@ with the horizontal . Then the work done is

    The block of mass M in figure -4.160, initially has a velocity v_(o) to the right and its positionis much that the spring exerts no froce on it, i.e, the spring is not stretched or comkpressed. The block moves to the right a distance l before sttoping in the dotted position shown. The speing constant is k and the coefficeent of kinetic friction between block and table is mu. as the block moves the distance l, (a) what is the work done on it by the friction force ? (b) What is the work done on it by the spring force ? (c) are there other forces actionon the block, and if so what work do they do ? (d) what is the total work done on the block?

    Two block of masses m_(1) and m_(2) are lying on a frictionless horizontal table connected by a light string m_(2) is pulled by horizontal force F. Calculate the tension in the string .