Question

choose the correct option :

1) we can except the force of friction to be greater for an object moving on a surface if the surfaces in contact are

(a) smooth and the object is heavier

(b) rough and the object is heavier

(c) smooth and the object is lighter

(d) rough and the object is lighter

2) A 'streamlined' shape is given to automobiles in order to

(a) increase friction

(b) reduce drag

(c) reduce gravitational force

(d) get greater electrostatic force

3) ball bearings are used to

(a) give a streamlined shape

(b) increase grip

(c) increase drag

(d) reduce friction

plz answer this question....​

Answer 1

Answer:

1.Rough and the object is heavier

2.Reduce drag

3.Reduce friction

Mark me as the BRAINLIEST

Answer 2

1 ) b ) rough and the object is heavier

2 ) b ) reduce drag

3 ) d ) reduce friction