Calculate the work required to be done t | Class 9 Science Chapter Work and Energy, Work and Energy NCERT Solutions

Question:

Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?

Answer:

Mass of car, m = 1500 kg

Velocity of car, v = 60 km/h

Therefore, Kinetic energy

Hence, 20.8 × 104 J of work is required to stop the car.


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Work and Energy.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Comments

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 9 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 5 , Question 17: Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?....