Contact force is another name for _________.
Both 1 and 3
The correct answer is Both 1 and 3, i.e. friction and muscular force.
A contact force acts only when two objects are in direct physical contact. Friction acts at the contact surface opposing relative motion, and muscular force is exerted by muscles pushing or pulling an object they touch — both require contact.
Magnetic force, by contrast, can act at a distance without contact (a non-contact force), so option 2 is excluded.
Similar Questions
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Important Questions from Forces
The use of lubricants makes the surface-
If a box of mass 25 kg is pushed 15 m by a force of ‘F’ N and work done in the process is 480 J. Find F:
Which of the following is an example of contact force?
Which of the following is not a correct example of muscular force?
It is raining heavily and Sonam wishes to reach her home from the garden. The path on which she is least likely to slip is the one lined with_________.
