Non-contact Forces
Non-contact Forces: Overview
This topic covers concepts such as Non-contact Forces, Magnetic Forces, Magnets, Poles of Magnet, Electrostatic Force, and Gravitational Force.
Important Questions on Non-contact Forces
The _____ of the magnet cannot be separated from each other.
Magnet _____ the iron dust towards itself.
The substances which are attracted by the magnet are called _____ substances.
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?
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
Which of the following forces can attract two objects towards each other?
Which way of storing the bar magnets can preserve their magnetic properties?
Provide the answer in one word to the following questions:
The attraction force exerted by the Earth on all objects.
The force exerted by a charged body on another charged body is called _____. (electrostatic force/ muscular force)
Due to _____ force, iron nails stick on magnet.
Falling of Mango from the tree is an example of
Match the following.
| Column | Column |
| 1) Gravitational force | e) The force exerted in the opposite direction of the motion by the surface in contact. |
| 2) Muscular force | f) The force exerted by the earth. |
| 3) Friction | g) The force acting between electrostatic charges. |
| 4) Electrostatic force | h) The forces exerted by muscles. |
Can you name the type of force acting on the following?
Electrostatic force is a contact force.
Magnetic force is a non-contact force.
