A student attempts to pull himself up by tugging on his hair. He will not succeed.

As the force exerted is small

No worries! We‘ve got your back. Try BYJU‘S free classes today!

The frictional force while gripping, is small

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Newton's law of inertia is not applicable to living beings

No worries! We‘ve got your back. Try BYJU‘S free classes today!

As the force applied is internal to the system

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D As the force applied is internal to the system
As by an internal force momentum of the system can not be changed.
Hence, the option $D$ is the correct answer.

Suggest Corrections

Similar questions

A 10kg block is kept on a horizontal surface and Ram is trying to pull it with a force of 5N, Given coefficient of static friction is 0.2 and coefficient of Kinetic friction n(μK) = 0.1 Which of these statements is/are correct.

Himanshu tries to calculate the force exerted by 2 spherical objects of radius 1m each, having charges 3C and 5C and travelling at 4m/s with respect to each other. At an instant when the separation between them is 10 m, Himanshu theoretically calculates the force exerted by the one on another. He only applies Coulomb's law and let us assume that he manages to apply it correctly but gets his answer wrong. Possible explanations could be?

Q. Rahul is applying a force of 20 N on a block. However, he is not able to move it. The frictional force acting on the block is .

When a footballer kicks a ball, the ball moves in the direction of applied force. The footballer also experiences a force on his leg which is equal to the force he exerted on the ball.

Ram is trying to push a box from his living room to the storeroom. He asks his friend to help him complete the job. What should be the nature of the force applied by his friend?

Join BYJU'S Learning Program

A student attempts to pull himself up by tugging on his hair. He will not succeed.

The correct option is D As the force applied is internal to the systemAs by an internal force momentum of the system can not be changed. Hence, the option D is the correct answer.

The correct option is D As the force applied is internal to the system
As by an internal force momentum of the system can not be changed.
Hence, the option $D$ is the correct answer.