Home
Class 11
PHYSICS
The average resisting force that must ac...

The average resisting force that must act on a 5 kg mass to reduce its speed from `65cms^(-1)` to `15cms^(-1)` in 0.2 s is

A

12.5N

B

25N

C

50N

D

100M

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK -POWER-ENERGY

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE -III CONSERVATIVE AND NON CONSERVATIVE FORCES INTEGER TYPE QUESTIONS)|1 Videos

  • WORK -POWER-ENERGY

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-IV POTENTIAL ENERGY STRAIGHT OBJECTIVE TYPE QUESTIONS)|8 Videos

  • WORK -POWER-ENERGY

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-II KINETIC ENERGY, WORK ENERGY THEOREM STRAIGHT OBJECTIVE TYPE QUESTION)|14 Videos

  • VISCOSITY

    AAKASH SERIES|Exercise Questions for Descriptive Answers|3 Videos

  • WORK POWER ENERGY

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos

Similar Questions

Explore conceptually related problems

A constant force acting on a body of mass 3.0 kg changes its speed from 2.0 m s^(-1) to 3.5 m s^(-1) in 25 s. The direction of the motion of the body remains unchanged. What is the magnitude and direction of the force ?

A constant force acting on a body of mass 3.0 kg chages its speed from 2.0m s ^(-1) " to " 3.5ms^(-1) in 25 s . The direction of motion of the body remains unchanged . What is the magnitude and direction of the force ?

Certain force acting on a 20 kg mass changes it velocity from 5ms^(-1) " to " 2 ms^(-1) . Calculate the work done by the force ?

A spring of force constant 800N/m has an extension of 5cm. The work done in extending it from 5cm to 15cm is