Q11. A person has a mass of 70 kg. What is this person's weight? What is the force that this person exerts onto the Earth? What is the Earth's acceleration because of this person? Q12. How big is aMoon? How big is aMars? What is therefore the weight of the person from Q11 on the Moon? What is the person's weight on Mars? (a = acceleration) Q13. Find out what the conversion between pounds (lbs) and newtons is and give it here. What is the weight of the person from Q11 in pounds on the Earth? What is the weight of the person from Q11 in pounds on the Moon and on Mars? Q14. Describe the motion of a swimmer accelerating forward in the water in terms of action and reaction forces. Q15. On a cold winter day, a car tries to get moving on an icy road but does not get anywhere. What happens? Explain it in terms of forces and motion. Q16. A person pushes against a wall. Assuming the wall does not move, describe the equal and opposite forces involved. Q17. State Newton's three laws of motion.

Q: An astronaut is weighed before he sets of to the moon. He has a mass of 80 kg. a. What will his…

A: Given: Mass of an astronaut, M = 80 kg

Q: 4. Another planet has four times the Earth's mass and two times the Earth's radius. If an object…

A:

Q: his question has multiple versions. Read carefully! student takes a lab cart on a mission to another…

A:

Q: 5. Three spheres A, B, and C are arranged as shown in the figure below. A. What is the gravitational…

A: Answer The gravitational force between two point is given by F = GMmr2 Where  G = gravitational…

Q: 14. Use the universal gravitational force to calculate the acceleration of gravity at the surface of…

A: On the surface, Here, M is the mass of earth and R is the radius of earth to find the acceleration…

Q: A satellite is traveling through distant space with a speed of 19,000 km/hr. What will happen to the…

A: Solution: In space there is no air blanket due to which there is no air friction. So, when…

Q: What is the force of gravitational attraction between the earth (m = 5.98 x10^24 kg) and a 70-kg…

A: Mass of the earth, m1= 5.98×1024kg Mass of the student, m2= 70 kg Distance between the center of the…

Q: 7. A 75 kg astronaut orbits the moon at a distance of 2.5 x 106 m from its center. (Mass of moon =…

A: Given value--- mass of astronaut = 75 kg. Mass of Moon = 7.35 × 1022 kg. distance = 2.5 × 106 m.…

Q: An old phrase used to sell cars was that they could "stop on a dime," meaning they could stop before…

A:

Q: What will be the acceleration of an object with lower inertia? a. An object will have a lower…

A:

Q: If the box was moved to a planet that was half as massive as Earth, the magnitude of the box's wei…

A:

Q: 1. A probe of mass m is in a circular orbit of radius r around a planet (mass M). a. Draw the free…

A: The probe is under the influence of gravitational force. So we will use expression for…

Q: Two objects exert a gravitational force of 4 N on each other. a. If the mass of one object is…

A:

Q: PWQMM A 2222 kilogram wrecking ball is suspended from a cable and is moving in the vertical (up or…

A:

Q: What would be the weight of a 3 kg mass on a planet where the gravitational acceleration is 10 m/s2?…

A: We know thatW=mghereW=weight of objectm=mass of objectg=gravity acceleration

Q: You are an astronaut, and NASA has asked you to determine how mass and weight change throughout the…

A: Given, Mass of the rover, m=227 kg Moon gravity, g=1.6 m/s2

Q: Two objects exert a gravitational force of 4 N on each other. a. If the mass of one object is…

A:

Q: What is providing the centripetal force that keeps a planet revolving in a circular orbit about the…

A: Given that: The centripetal force keeps a planet revolving in a circular orbit about the sun planet…

Q: Two asteroids at rest are separated by 2.0 x 10² m. The mass of each asteroid is 1.0 x 10¹ kg. a.…

A: Given : r=2.0*102m m1=m2=104kg

Q: 38. Mercury orbits the Sun with an average distance of 0.4 AU, and its mass is 0.06 times that of…

A:

Q: 13. Haleakala, located on the island of Maui has a peak of 3055 m above sea level. Assume that sea…

A:

Q: 1. A child stands on a bathroom scale while riding in an elevator. The child's weight when the…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: 5. What is the force on a 1,000 kilogram-elevator that is falling freely under the acceleration of…

A: From Newton's second law of motion,  Force = mass × acceleration.  1. Mass of elevator = 1000 Kg…

Q: 9. If I double the mass of Mars, what will happen to the orbit? * O a. It will orbit around the Sun…

A:

Q: Unknown planet X: If the weight of a certain object 243.8 kg object is 787.6 N, what is the…

A: a)  3.230516817 m/s2   b)  1575.2 N   c) The acceleration due to gravity would be reduced to 1/4 of…

Q: A rock is dropped from 20 feet above the surface of the Earth. Which of the following is true? a.…

A: Given quantities: height from which a rock is dropped (H) = 20 feet initial velocity (u) = 0…

Q: While working on​ Mars, you find an unlabeled liquid in the laboratory. When you combine the liquid…

A: The condition for a liquid to float on water is that its density, specific gravity, and specific…

Q: The International Space Station (ISS) orbits the Earth at an altitude (distance above the surface of…

A:

Q: Newton’s law of gravitation quantifies how the force between two objects is determined. Which of…

A:

Q: You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the…

A: Weight shown on the scale is W = 140 lbs

Q: on a highway curve with radius 42 m, the maximum force of static friction (centripetal force) that…

A: Radius of the highway curve is R = 42 m Mass of the car is m = 1123 kg Centripetal force acting on…

Q: The acceleration of objects due to the gravitational force exerted on them is lower on the Moon than…

A: On the moon, mass is the same as that of on earth But, the weight is less because of less…

Q: 1. A mass hanging from a string is 65.65 grams.  What is the force pulling on the string due to…

A: Given: The mass hanging from the string is 65.65 g. The mass of the carriage is 1415.18 g. The…

Q: You are an astronaut, and NASA has asked you to determine how mass and weight change throughout the…

A: Solution:               Given,           m    mass of the rover=227kg on earth           g…

Q: a) What force does the ground exert on a 1,200 kg car as it moves at 15 m/s through a dip in the…

A: A centripetal force is a net force acting on an object in order to maintain it moving in a circular…

Q: 1. Gravity: a. What is the magnitude and direction of the gravitational force that the Earth exerts…

A: a) since your mass is not known so for simplicity i have taken mass to be 70 kg, you can plug-in…

Q: Calculate the gravitational force exerted on earth by the moon. b.) Calculate the gravitational…

A:

Q: astronaut weighing 236 lbs on Earth is on a mission to the Moon and Mars.   a.What would he weigh in…

A: Given Mass m = 236 lbs = 236 × 0.454 kg = 107.14 kg Acceleration due to gravity on earth g = 9.8…

Q: 2) A roller coaster is going over a hill with a radius of 20 m.     a. How fast does it have to go…

A:

Q: A satellite orbits the earth instead of flying off into space because   a. gravity continuously…

A: Revolution of satellite around the earth :

Q: It takes the elevator in a skyscraper 4.0 s to reach its cruising speed of 10 m/s. A 60 kg passenger…

A: Given data: Time taken by the elevator, t=4.0 s Cruising speed is v=10 m/s Mass of passenger is m=60…

Q: 1. There is no gravity in space because of the lack of air. 2. Neglecting air resistance, all…

A: Analysing the question, In this question we are given 5 statements. We have to determine which…

Q: Suppose a 45 kg person rides a ferris wheel with a diameter of 62 meters. The ferris wheel completes…

A:

Q: A. Mass and Weight 1. Find the weight of a 60 kg astronaut on earth a. Find the weight of the same…

A: A) 1. Mass of astronaut m=60 kg  Weight on Earth = mge                               = 60×9.8 N…

Q: Mars has a mass of 6.46 x 10²3 kg and a radius of 3.39 × 10° m. a) Calculate the acceleration due to…

A: Given data:   Mass of Mars (M) = 6.46×1023 kg Radius (R) = 3.39×106 m Mass of the person (m) = 65 kg…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!