Home
Class 12
PHYSICS
A person, sunbathing on a warm day, is l...

A person, sunbathing on a warm day, is lying horizontally on the deck of a boat. Her mass is 59 kg, and the coefficient of static friction between the deck and her is 0.70. Assume that the person is moving horizontally, and that the static frictional force is the only force acting on her in this direction. What is the magnitude of the static frictional force when the boat moves with a constant velocity of +8.0 m/s?

A

94N

B

370 N

C

zero N

D

130 N

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • FORCE AND MOTION-II

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (More than One Correct Choice Type)|4 Videos

  • FORCE AND MOTION-II

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Linked Comprehension)|7 Videos

  • FORCE AND MOTION-II

    RESNICK AND HALLIDAY|Exercise PROBLEMS|33 Videos

  • FORCE AND MOTION - I

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Integer Type)|3 Videos

  • GAUSS' LAW

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (INTEGER TYPE)|3 Videos

Similar Questions

Explore conceptually related problems

What is value of static friction force on the block?

If a force of 50 N is applied on a body and it is still at rest, then find the magnitude of static frictional force acting on it.

Knowledge Check

  • The coefficient of static friction between two surfaces depend on

    A
    nature of surface
    B
    the shape of the surface in contact
    C
    the area of contact
    D
    all of the above

  • The maximum static frictional force is

    A
    Equal to twice the area of surface in contact
    B
    Independent of the area of surface in contact
    C
    Equal to the area of surface in contact
    D
    None of the above

  • Work done by force of static friction .

    A
    can be positive
    B
    can be negative
    C
    can be zero
    D
    All of these

    • Similar Questions

    Explore conceptually related problems

    If a force of 50 N is applied on a body and it is still at rest, then find the magnitude of static frictional force acting on it.

    Static friction is a _______ force.

    A block of mass 1 kg lies on a horizontal surface in a truck. The coefficient of static friction between the block and the surface is 0.6. If the acceleration of the truck is 5m//s^2 , the frictional force acting on the block is…………newtons.

    What is the direction of force of friction acting on a moving object ?

    What is the direction of force of friction acting on a moving object ?

    Home
    Profile