Magnetic force is a non contact force because, for magnetic force to apply,
The bodies need not be in contact.
The bodies may or may not be in contact.
None of these.
The bodies have to be in contact.
A
The bodies have to be in contact.
B
The bodies need not be in contact.
C
The bodies may or may not be in contact.
D
None of these.
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Solution
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Magnetic force, electric force and gravitational forces are non contact forces because for these forces to apply, the bodies need not be in contact (physically touch) with each other.
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Q1
Magnetic force is a non contact force because, for magnetic force to apply,
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Q2
Which of the following is true about non-contact forces?
i. Non-contact forces can act only when the two bodies are in contact with each other.
ii. Non-contact forces can act only when the two bodies are not in contact with each other.
iii. Non-contact forces can act when the bodies are in contact with each other.
iv. Non-contact forces can act when the bodies are not in contact with each other.
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Two bodies need to be in contact with each other for a force to act between them.
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Q5
Two magnets need to be in contact with each other to have magnetic force between them.