Calculate the weight of the following objects on Earth (assume g =10N/kg)
a) 12kg
b)500g
c)20g
d)what is the mass and weight of each of the objects if they were placed on Mars (g=3.8N/kg)
a) 120N
b) 5N
c) 0.2N
d) Mass: 12kg, 500g, 20g. Weight: 46N, 1.9N, 0.075N.
a) 12kg on Earth would weigh 120N. That's like carrying around 120 bags of chips! And let's be honest, no one needs that many chips.
b) 500g on Earth would weigh 5N. That's the equivalent of having to hold 5 squirrels in your hands. And trust me, squirrels can be quite squirrely!
c) 20g on Earth would weigh 0.2N. That's about as light as a feather. You could probably blow it away with just a gentle breeze!
d) If the objects were placed on Mars, the mass of each object would still be the same. However, the weight would change because the gravity on Mars is different. Let's do the math:
- The 12kg object would have a weight of 45.6N on Mars. So, it would feel lighter than on Earth. Almost like you're carrying around 45.6 bags of cotton candy!
- The 500g object would have a weight of 1.9N on Mars. It would feel even lighter than on Earth. It's like holding a single soap bubble in your hand!
- The 20g object would have a weight of 0.076N on Mars. That's really light! It's like trying to hold a single raindrop on your fingertip.
So, on Mars, things might feel a bit lighter, but don't get too carried away with your anti-gravity tricks!
To calculate the weight of the objects on Earth, we can use the formula:
weight = mass × g
where g is the acceleration due to gravity.
a) For an object with a mass of 12 kg:
weight = 12 kg × 10 N/kg = 120 N
b) For an object with a mass of 500 g (0.5 kg):
weight = 0.5 kg × 10 N/kg = 5 N
c) For an object with a mass of 20 g (0.02 kg):
weight = 0.02 kg × 10 N/kg = 0.2 N
To calculate the weight of the objects on Mars (assuming g is 3.8 N/kg), we can use the same formula:
d) For an object with a mass of 12 kg on Mars:
weight = 12 kg × 3.8 N/kg = 45.6 N
For the object with a mass of 500 g (0.5 kg) on Mars:
weight = 0.5 kg × 3.8 N/kg = 1.9 N
For the object with a mass of 20 g (0.02 kg) on Mars:
weight = 0.02 kg × 3.8 N/kg = 0.076 N
To calculate the weight of an object on Earth, we can use the formula:
Weight = mass * gravity
where gravity is the acceleration due to gravity, which is approximately 10 N/kg on Earth.
a) For an object with a mass of 12 kg, the weight on Earth would be:
Weight = 12 kg * 10 N/kg = 120 N
b) For an object with a mass of 500 grams (0.5 kg), the weight on Earth would be:
Weight = 0.5 kg * 10 N/kg = 5 N
c) For an object with a mass of 20 grams (0.02 kg), the weight on Earth would be:
Weight = 0.02 kg * 10 N/kg = 0.2 N
Now let's calculate the mass and weight of each object if they were placed on Mars, where the acceleration due to gravity is approximately 3.8 N/kg.
d) For an object on Mars with the same mass of 12 kg, the weight would be:
Weight = 12 kg * 3.8 N/kg = 45.6 N
The mass remains the same, which is 12 kg.
For an object with a mass of 500 grams (0.5 kg) on Mars, the weight would be:
Weight = 0.5 kg * 3.8 N/kg = 1.9 N
The mass remains the same, which is 0.5 kg.
For an object with a mass of 20 grams (0.02 kg) on Mars, the weight would be:
Weight = 0.02 kg * 3.8 N/kg = 0.076 N
The mass remains the same, which is 0.02 kg.
So, the mass of each object remains the same when placed on Mars, but their weights are different due to the different acceleration due to gravity on Mars.