Home
Class 9
PHYSICS
(a)What is linear momentum of a heavy ob...

(a)What is linear momentum of a heavy object at rest?
(b)what force is required to maintain uniform motion of a body along a straight lline?

Text Solution

Verified by Experts

(a)`P = mv = zero`, when `v=0`
(b)zero, provided there is no friction and air resistance.
Promotional Banner

Topper's Solved these Questions

  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise WORKSHEET TESTING|11 Videos

  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise ASSESSSMENT THROUGH PAPER-PEN TEST|29 Videos

  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise ORAL TESTING|20 Videos

  • FLOTATION

    PRADEEP|Exercise Problem For Practice|6 Videos

  • GRAVITATION

    PRADEEP|Exercise Model Test paper (1)|36 Videos

Similar Questions

Explore conceptually related problems

No force is required to move a body uniformly along a straight line. Comment.

The force required to keep a body in uniform circular motion is

A force acts perpendicular to the direction of motion of a body. What is work done?

Name the property of bodies due to which they resist change in their state of rest or state of uniform motion along a straight line.

An external force is required to keep a body in uniform motion This statement was given by.

According to Newton s second law of motion F =ma where F is the force required to produce an acceleration a in a body of mass m If a = 0 then F = 0 no external force is required to move a body uniformly along a straight line If a force F acts on a body for t seconds the effect of the force is given by Impulse =F xx t =change in linear momentum of the body Average force exerted by the bat is .

According to Newton s second law of motion F =ma where F is the force required to produce an acceleration a in a body of mass m If a = 0 then F = 0 no external force is required to move a body uniformly along a straight line If a force F acts on a body for t seconds the effect of the force is given by Impulse =F xx t = change in linear momentum of the body The retardation of the ball is .

What force is required to move a body of mass 1kg with a uniform velocity of 1m//s ?

According to Newton s second law of motion F =ma where F is the force required to produce an acceleration a in a body of mass m If a = 0 then F = 0 no external force is required to move a body uniformly along a straight line If a force F acts on a body for t seconds the effect of the force is given by Impulse =F xx t = change in linear momentum of the body A cricket ball of mass 150g is moving with a velocity of 12m//s and is hit by a bat so that the ball is turned back with a velocity of 20m//s if duration of contact between the ball and the bat is 0.01sec The impulse of the force is .