Easy -1.8 This is a straightforward one-mark question requiring only F=ma to find mass (30=m×2, so m=15kg), then recognizing weight=mg=15g N. It's simpler than typical A-level questions as it involves a single application of Newton's second law with no problem-solving, and the multiple-choice format removes any need for working or unit analysis.
A horizontal force of 30 N causes a crate to travel with an acceleration of 2 m s\(^{-2}\), in a straight line, on a smooth horizontal surface.
Find the weight of the crate.
Circle your answer.
[1 mark]
15 kg \quad 15g N \quad 15 N \quad 15g kg
A horizontal force of 30 N causes a crate to travel with an acceleration of 2 m s$^{-2}$, in a straight line, on a smooth horizontal surface.
Find the weight of the crate.
Circle your answer.
[1 mark]
15 kg \quad 15g N \quad 15 N \quad 15g kg
\hfill \mbox{\textit{AQA AS Paper 1 2022 Q12 [1]}}