David Sang and Graham Jones Solutions for Chapter: Work, Energy and Power, Exercise 2: Questions
David Sang Physics Solutions for Exercise - David Sang and Graham Jones Solutions for Chapter: Work, Energy and Power, Exercise 2: Questions
Attempt the practice questions on Chapter 5: Work, Energy and Power, Exercise 2: Questions with hints and solutions to strengthen your understanding. Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access solutions are prepared by Experienced Embibe Experts.
Questions from David Sang and Graham Jones Solutions for Chapter: Work, Energy and Power, Exercise 2: Questions with Hints & Solutions
In each of the following examples, explain whether any work is done by the force mentioned. You pull a heavy sack along rough ground.
The force of gravity pulls you downwards when you fall off a wall. Explain if any work is done by the force in this case.
In each of the following examples, explain whether any work is done by the force mentioned. The tension in a string pulls on a stone when you whirl it around in a circle at a steady speed.
In each of the following examples, explain whether any work is done by the force mentioned. The contact force of the bedroom floor stops you from falling into the room below.
A man of mass climbs stairs of vertical height . Calculate the work done against the force of gravity. (Take .)
A stone of weight falls from the top of a high cliff.
Calculate how much work is done by the force of gravity in pulling the stone to the foot of the cliff.
A stone of weight falls from the top of a high cliff.
How much energy is transferred to the stone if air resistance is ignored?
