Get Best PHYS 101 Quiz Newtons Laws

Get the Best PHYS 101 Quiz Newtons Laws

1. An aircraft weighs 1,500 N, its mass is
2. Two cars crash head on. At any given time during the crash, the magnitudes of the collision forces exerted on each car are exactly equal. This is an example of Newton’s
3. You throw a ball straight up, it peaks out, and then comes back down to you. During this motion, the velocity and acceleration
4. You roll a ball off a table and at the same time drop a second ball straight down from the edge of table. The second ball reaches the ground ____________ the first ball reaches the ground.
5. Where is the Sun located relative to a planet’s orbit about it?
6. As a space shuttle is launched into orbit, the direction of its acceleration
7. An astronaut in a space suit has a total mass of 143.5 kg and is standing on a scale that reads in newtons inside an elevator. If the elevator accelerates upward at the rate of 1.8 m/s2, what does the scale read?
8. Which statement is incorrect? The gravitational force on an orbiting satellite due to the Earth
9. The SI units of acceleration are
10. How was the value of G first determined?
11. A body is oscillating up and down at the end of a spring. Let’s consider when the body is at the top of its up-and-down motion.
12. At the highest point on the path of a projectile, its vertical acceleration
13. A188-pound astronaut in a training exercise experiences an acceleration of 7.2g’s. What is the net force (in newtons) acting on the astronaut?
14. As a body falls through air starting from rest, its velocity
15. The SI units of velocity are
16. A newton is larger than a pound.
17. You push on a wall, and the wall pushes back on you with the same force. This is an example of Newton’s third law.
18. The direction of a field line at a point in space shows the direction of the force that would act on a body placed at the point.
19. When a car goes around a curve of smaller and smaller radius, the centripetal force on it decreases.
20. A body is oscillating up and down at the end of a spring. Let’s consider when the body is at the top of its up-and-down motion.
21. An aircraft weighing 1,500 N has a mass of approximately 150 kg.
22. A body is oscillating up and down at the end of a spring. Let’s consider when the body is at the top of its up-and-down motion.
23. When a body moves in a straight line with increasing speed, the net force on it must be increasing.
24. If a body were in orbit very near the surface of the Earth, its centripetal acceleration would be equal to g.
25. You throw a ball straight up, it peaks out and then comes back down to you. During this motion, the velocity and acceleration always point in the same direction.
26. Select the closest matching pairs possible. 3 pts for each response.
27. From 2 King 6:1-6, one of the disciples of Elisha was cutting a tree and the ax head fell into the water. While we do not know how high the ax head was when it fell into the water, we will work through a physics example of the ax head’s vertical motion as if it were dropped into the water.

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