Question

Find the weight of an astronaut whose mass is 75 kg on the moon

Answer 1

The weight of an astronaut on the moon can be calculated using the formula: Weight on the Moon = Mass x Acceleration due to gravity on the Moon. The weight of an astronaut whose mass is 75 kg on the moon is approximately 250 N, and on Earth, it is approximately 735 N.

Step-by-step explanation:

The weight of an object is the force of gravity acting on it. The weight of an astronaut on the moon can be calculated using the formula:

Weight on the Moon = Mass x Acceleration due to gravity on the Moon.

Since the weight on the moon is given as 250 N, and the mass is given as 75 kg, we can rearrange the formula to calculate the acceleration due to gravity on the moon. The acceleration due to gravity on the moon is approximately 1.625 m/s².

To find the weight of the astronaut on Earth, we use the same formula:

Weight on Earth = Mass x Acceleration due to gravity on Earth.

The acceleration due to gravity on Earth is approximately 9.8 m/s². Plugging in the mass of 75 kg, we find that the weight of the astronaut on Earth is approximately 735 N.

Answer 2

The formula for weight is always weight=mass X gravitational field strength.
We already know the mass is 75kg.
The gravitational field strength on the moon is 1.6N. To find out the weight, we can substitute these values in to the formula.
Weight=75 X 1.6
Weight= 120N
Weight is measured on Neutons as it is a force.