12. According to Newtons third law: The action force is equal in magnitude to the reactionforce and opposite in direction. The forces also act on different bodies. What does thisexplain?: a) It explains why the net force is always zero. b) It explains why the net force is not always zero. c) It explains why the Sun is much bigger than Earth. d) None of the above

Q: arning Ch 4b HW Ramara Stever lippery Rock University of Pennsylvania - PHYS 201 - Spring20 -…

A: a) The required value of force is,

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A: Gravitation is the force of attraction that bodies exert on one another as a result of their mass.

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A: According to Newton's first law A body remains in rest or motion in particular direction unless and…

Q: 5. Einstein walks into an elevator cab and steps on a scale. If Einstein's mass is 62.0 kg, what…

A: Given : Einstein's mass (m) = 62 kg Acceleration (a) = 3.20 m/s2

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A: Given: a = 5m/s2 Let mass of the rocket be M = 60kg

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A:

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Q: How long must a 50-N force act on a 400-kg cart to raise its speed from 10 m/s to 12 m/s?

A:

Q: Suppose the mass of a fully loaded module in which astronauts take off from the Moon is 11,900 kg.…

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Q: A space ship has a mass of 75,000 kg.  What net force is required to accelerate it to 20 m/s2 ?

A: Given:  mass, m = 75000 kg  acceleration, a = 20 m/s2

Q: When landing after a spectacular somersault, a 30.0 kg gymnast decelerates by pushing straight down…

A: The mass of the gymnast, m=30.0 kg The deceleration of the gymnast, a=7·g

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A: From the question it is given that: weight of rock on Mars = Wm = 14.7 NAcceleration due to gravity…

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A: All objects fall on the bottom with constant acceleration called acceleration due to gravity (g).

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A:

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Q: Exit Ticket: Give an example Newton's Second Law using the words direct and inverse proportion.

A: Newton's 2nd law relates between the force, acceleration, and mass of an object.

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A: a. mass of astronaut can be calculated as follows, F=mam=Fa=50 N0.893 m/s2=56 kg

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A:

Q: 6. What general statement can you make regarding the difference between mass and weight?

A: to explain : the difference between the mass and weight

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Q: 4. You are on a trip to the Moon and have no apparent weight. You are handed two identically sized…

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Q: Problem 24 Newton's law of universal gravitation states that the force of gravity between two bodies…

A: Gravitational force can be expressed as F=Gm1m2r2

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A:

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A:

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”