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Important Questions on The Forces

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JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 4 - The Forces>OBJECTIVE II>Q 4
If all matters were made of electrically neutral particles, such as neutrons
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 4 - The Forces>OBJECTIVE II>Q 5
Which of the following systems may be adequately described by classical physics?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 4 - The Forces>OBJECTIVE II>Q 6
The two ends of a spring are displaced along the length of the spring. All displacements have equal magnitudes. In which case or cases, the tension or compression in the spring will have a maximum magnitude?
HARD
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 4 - The Forces>OBJECTIVE II>Q 7
Action and reaction
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 4 - The Forces>EXERCISES>Q 1
The gravitational force acting on a particle of 1 g, due to a similar particle is equal to 6.67×10-17 N. Calculate the separation between the particles.
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 4 - The Forces>EXERCISES>Q 2

Calculate the force with which you attract the Earth.

MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 4 - The Forces>EXERCISES>Q 3
At what distance should two charges, each equal to 1 C be placed, so that the force between them equals a person's weight(Average mass =64 kg)?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 4 - The Forces>EXERCISES>Q 4
Two spherical bodies, each of mass 50 kg, are placed at a separation of 20 cm. Equal charges are placed on the bodies, and it is found that the force of Coulomb repulsion equals the gravitational attraction in magnitude. Find the magnitude of the charge placed on either body.