Gravitational Force, Attraction, and Mass Quick Check
these are correct for Connections Academy 10th grade Physical Science as of 1/31/23 :)
1. What information is needed to calculate the gravitational force of an object?
š- the mass of the object and the planet's gravitational acceleration
2. When interplanetary space travel becomes viable, doctors may suggest to people with arthritis that they vacation on a planet with lower gravitational attraction and do more walking.
The gravitational acceleration on Earth is 9.8 m/sĀ², while the gravitational acceleration on Mars is 3.7 m/sĀ². How much less force would the vacationer be applying to their joints when walking on Mars?
š- 2.6 times less force
3. Which of the following is true about the relationship between the gravitational force of Earth and the Moon?
š- The Earth has a greater gravitational attraction than the Moon.
4. A high school athlete is in the weight room training for wrestling season. He is trying to bench press a bar loaded with 100 kg. How much force must he exert to lift the loaded bar and overcome the force of gravity?
Remember that a= 9.8 m/sĀ².
A high school athlete is in the weight room training for wrestling season. He is trying to bench press a bar loaded with 100 kg. How much force must he exert to lift the loaded bar and overcome the force of gravity?
Remember that a= 9.8 m/s2
š- 980 N
5. A group of extraterrestrial athletes travel from the Moon to Earth to train.
How would the amount of force they exert to move change on Earth?
š- The force would need to be greater, so they would not perform as well.
i hope this helped <3
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