Question

The following belongs to which class of lever?

(i) The Physical balance 

(ii) A see-saw 

(iii) An oar of a boat

(iv) Human-arm 

(v) Pliers Tools 

(vi) A claw-hammer

(vii) Rowing of a boat 

(viii) A fire tongs 

(ix) Sugar tongs

(x) A pair of scissors 

(xi) Wheel barrow 

(xii) Nut cracker

(xiii) Lemon crusher 

(xiv) Knife 

(xv) Fore-arm

Answer 1

 (i) Class I            (ii) Class I     (iii) Class II
(iv) Class III           (v) Class I           (vi) Class I
(vii) ClassII            (viii) Class III    (ix) Class III
(x) Class I               (xi) Class II        (xh) Class II
(xii) Class II           (xiv) Class III     (xv) Class I