B. Two children pulling apart a wishbone best describes two counteracting forces on an object
What is counteracting force ?
Counteracting force or to counteract is to act in opposition to or against some force in order to neutralize the force ,
in option a) it can be observed that the box is being pushed to another location which means no opposite force is acting on the box , only one force in one direction is being acting , due to which neutralization can't take place and box 's position is being changed hence , there is no counteracting forces .
similarly in option d) two people pushing a broken-down car up the road , in this also no counter force is acting , only one force is being acted on the car hence , there is no counteracting forces .
in option c) only pulling is taking place , no counter force is being acted hence , there is no counteracting forces .
correct option b) two children pulling apart a wishbone , pulling apart that means two forces are acting , in opposite direction to each other , hence it is a example of a counteracting force .
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