Field Forces

A man weighing $60 \mathrm{kg}$ is in a lift moving down with an acceleration of $1.8 \mathrm{m} {\mathrm{s}}^{-2}$. The force exerted by the floor on him is

What are irregularities in friction?

What are field forces explain?

A man weighing $60 \mathrm{kg}$ is in a lift moving down with an acceleration of $1.8 \mathrm{m} {\mathrm{s}}^{-2}$. The force exerted by the floor on him is

Gravitational force is an example for field force.

Define electric field force. Write any two properties of it.

A magnetic field force occurs only with the physical contact between two objects.

Field force acts even when the bodies are not in contact.

What are the properties of gravitational field force?

Name the British scientist who proposed the concept of magnetic field lines.

Select the correct statement.

Name the force exerted by animals and humans by their muscle strength.

Choose from the following (muscular force/ frictional force).

Unscramble the following to make a meaningful word:
AMENGCIT.   

Take a look at the planet models shown in the picture. Which planet will have a greater gravitational force- Earth or Mars?

Which of the following games need strong muscular force?

A few iron pins are kept on a plastic plate. What will happen if a horse-shoe magnet is also kept on the same plastic plate?

Which of the following item will get attracted towards a magnet?
 

Which of the following method is suitable to store the bar magnets?

Which of the following forces are the examples of non-contact forces?

A plastic scale when rubbed with dry hair, attracts small pieces of paper due to the