Choose the correct
(a) Which of the following formula is used to determine the force?
(i) f=m...
Chemistry, 18.10.2020 15:01, freedygotmoney
Choose the correct
(a) Which of the following formula is used to determine the force?
(i) f=m/a
(ii) f= a/m
(iii) f= ma
(iv) f = ma
(b) Frictional force is due to the
(1) Falling of a body
(ii) Smooth surfaces between two bodies
(iii) moving in a circular path
(iv) rough surfaces between two bodies
(c) A body moving in a circular path experiences a force towards the center is
(i) frictional force
(ii) centripetal force
(iii) gravitational force
(iv) magnetic force
(d) The attraction or repulsion between two charged bodies is due to
(i) gravity
magnetic force
(111) electrostatic force
(iv) centripetal force
(e) A magnet attracts iron, cobalt and nickel due to
(1) electrostatc force
(ii) magnetic force
(iii) gravitational force
(iv) centripetal force
(f) The S. I. unit of acceleration is
(i) m/s2
(ii) m/s
(ii) m
(iv) N
(g) Speed is a
(i) scalar quantity
(ii) vector quantity
(iii) both
(iv) none
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