Which statement best defines an electric field? ОА.
force per unit charge on a negative source charge
OB.
force per unit charge on a negative test charge
O c. force per unit charge on a positive source charge
OD.
force per unit charge on a positive test charge
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A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.