A person weighs 620N on Earth. The gravitational constant on Mars is 3.8m/s^2. How much does this person weigh on Mars?
If the person weighs 620N on Earth, their mass is 620/9.8=63.3kg on Earth. Therefore applying F=ma they must weigh 63.3*3.8=240N on Mars.
TM
Related Physics GCSE answers
All answers ▸How might an uncharged object become positively charged? (e.g. AQA Higher specimen paper 1)
What is centripetal force?
Imagine a probe in space. Argon gas can be fired from the probes fuel tanks to propel the probe. Discuss whether conservation of momentum applies and whether the speed of the probe increases.
Why do rays of light change direction as they pass from air to a glass block?