Acceleration due to gravity g = weight / mass

Steps:

• Convert all masses to kg: A=0.006kg, B=0.5kg, C=1kg, D=750kg.
• Calculate g for each: A=4.0/0.006=667m/s², B=3.0/0.5=6m/s², C=2.0/1=2m/s², D=2.6/750=0.0035m/s².
• Compare values: D has the lowest g.
• Confirm using Newton's law: weight W=mg, so g=W/m.

Why D is correct:

• D yields g=0.0035m/s², the lowest, per the formula g=W/m from F=mg.

Why the others are wrong:

• A: g=667m/s², much higher than D.
• B: g=6m/s², higher than D.
• C: g=2m/s², higher than D.

Final answer: D