Question-1 MCQ 03
i- Which of the following is a contact force?
a- Gravitational force
b- Frictional force
C- Electrostatic force
d- Magnetic force
ii- Frication can be reduced by
a- Providing
b- Lubricating
C- Streamlining
d-All of above
Answers
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1
answer
Explanation:
Contact forces are those types of forces which result when the two interacting objects are perceived to be physically contacting each other. Examples of contact forces include frictional forces, tensional forces, normal forces, air resistance forces, and applied forces.
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Answer:
I) a) Gravitational force
ii) d) All of the above
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