it would be more difficult to.................................... a wagon if it didn't have wheels.(Push, pull, gravity, fricition, force, inertia, machine, energy, balance, newton)
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It would be more difficult to pull a wagon if it didn't have wheels.
Explanation:
As wheels roll on a surface and decrease the amount of friction so it becomes easy to pull a wagon with wheels.
Friction is the force that is between two surfaces, it makes the objects difficult to slide.
We can walk on earth because of friction.
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