How much work is done when a force of 1 N moves a body through a distance of 1 m in its direction?

Academic Physics NCERT Class 9

Here given, Force acted on the body $F=1\ N$

Displacement $d=1\ m$

Therefore, work done $W=Fd$

$=1\ N\times1\ m$

$=1\ Joule$

Tutorialspoint

Simply Easy Learning

Updated on: 10-Oct-2022

36 Views

How much work is done when a force of $1\ N$ moves a body through a distance of $1\ m$ in its own direction?
One-joule work is said to be done when (a) a force of 1 N displaces a body by 1 cm (b) a force of 1 N displaces a body by 1 m (c) a force of 1 dyne displaces a body by 1 m (d) a force of 1 dyne displaces a body by 1 cm
(a) When do we say that work is done? Write the formula for the work done by a body in moving up against gravity. Give the meaning of each symbol which occurs in it. (b) How much work is done when a force of 2 N moves a body through a distance of 10 cm in the direction of force?
A force of $10\ N$ acted upon a body and the body moves $10\ m$. Find the work done.
How much work is done when one coulomb charge moves against a potential difference of 1 volt?
A force of $10\ N$ displaces a body by a distance of $2\ m$ at an angle $60^{o}$ to its own direction. Find the amount of work done.
(a) What happens to the work done when the displacement of a body is at right angles to the direction of force acting on it? Explain your answer.(b) A force of $50\ N$ acts on a body and moves it a distance of $4\ m$ on a horizontal surface. Calculate the work done if the direction of force is at an angle of $60^{o}$ to the horizontal surface.
Fill in the following blanks with suitable words:(a) Work is measured as a product of .................... and .................(b) The work done on a body moving in a circular path is .................(c) 1 joule is the work done when a force of one .............. moves an object through a distance of one............ in the direction of .....................(d) The ability of a body to do work is called ..................... The ability of a body to do work because of its motion is called................(e) The sum of the potential and kinetic energies of a body is called ............... energy.
Write the formula for work done on a body when the body moves at an angle to the direction of force. Give the meaning of each symbol used.
Write an expression for the work done when a force is acting on an object in the direction of its displacement.
A trolley is pushed along a road with a force of 400 N through a distance of 60 m in 1 minute. Calculate the power developed.
A girl having a mass of $35\ kg$ sits on a trolley of mass $5\ kg$. The trolley is given an initial velocity of $4\ m s^{-1}$ by applying a force. The trolley comes to rest after traversing a distance of $16\ m$.$(a)$. How much work is done on the trolley?$(b)$. How much work is done by the girl?
What should be the angle between the direction of force and the direction of motion of a body so that the work done is zero?
When is the work done by a force on a body: (a) positive, (b) negative, and (c) zero?
If the work done by a force in moving an object through a distance of 20 cm is 24.2 J, what is the magnitude of the force?

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements