Skating
... Why does a moving skater tend to continue moving? How can we describe the motion of a coasting skater? How does a skater start, stop, or turn? Why does a skater need ice or wheels in order to skate? ...
... Why does a moving skater tend to continue moving? How can we describe the motion of a coasting skater? How does a skater start, stop, or turn? Why does a skater need ice or wheels in order to skate? ...
ANSWERS TO REVIEW QUESTIONS
... See §§6-4, 6-6, 6-8. In the lab frame the forces are contact forces exerted by the surrounding fluid ("buoyancy" and drag separately or combined) and the perhaps the weight (which is negligible). Centripetal force must not be included as a separate force and the centrifugal force does not exist in t ...
... See §§6-4, 6-6, 6-8. In the lab frame the forces are contact forces exerted by the surrounding fluid ("buoyancy" and drag separately or combined) and the perhaps the weight (which is negligible). Centripetal force must not be included as a separate force and the centrifugal force does not exist in t ...
Jeopardy
... • If we know that the forces acting upon an object are balanced (Net Force = Zero), what do we know about the object’s motion? • Answer: The object’s motion is staying the same. It’s not changing. It’s not ...
... • If we know that the forces acting upon an object are balanced (Net Force = Zero), what do we know about the object’s motion? • Answer: The object’s motion is staying the same. It’s not changing. It’s not ...
Chapter 8
... velocity has zero net torque acting on it When a rigid object is subject to a net torque, it has an angular acceleration The angular acceleration is directly proportional to the net torque ...
... velocity has zero net torque acting on it When a rigid object is subject to a net torque, it has an angular acceleration The angular acceleration is directly proportional to the net torque ...
Force I PPT
... • Once the cat hits the water, the forces are balanced and the cat will stop. • Upon hitting the water, the cat will accelerate upwards because the water applies an upward force. • Upon hitting the water, the cat will bounce upwards due to the upwards force. ...
... • Once the cat hits the water, the forces are balanced and the cat will stop. • Upon hitting the water, the cat will accelerate upwards because the water applies an upward force. • Upon hitting the water, the cat will bounce upwards due to the upwards force. ...
Lecture 8: Forces & The Laws of Motion
... You are riding on a Ferris wheel moving at constant speed. 1a) At what point is the net force acting on you the greatest? a) the top b) the bottom c) halfway between top and bottom d) the force is the same over the whole motion 1b) Is the net force doing work on you? a) YES b) NO 2) If the mass of t ...
... You are riding on a Ferris wheel moving at constant speed. 1a) At what point is the net force acting on you the greatest? a) the top b) the bottom c) halfway between top and bottom d) the force is the same over the whole motion 1b) Is the net force doing work on you? a) YES b) NO 2) If the mass of t ...
Circular Motion and Gravity
... mr r • On the surface of any planet, the value of g, as well as your weight, will depend on the planet’s mass and radius. ...
... mr r • On the surface of any planet, the value of g, as well as your weight, will depend on the planet’s mass and radius. ...
FY016_2012
... Sketch the vector force diagram, approximately to scale, clearly indicating the resultant force vector. (4 marks) ...
... Sketch the vector force diagram, approximately to scale, clearly indicating the resultant force vector. (4 marks) ...
Forces & the Laws of Motion
... acceleration of the truck if soybeans leak from it at a constant rate? Answer: The loss of soy beans is a decrease in mass. Since a = ΣFnet /m , acceleration increases. ...
... acceleration of the truck if soybeans leak from it at a constant rate? Answer: The loss of soy beans is a decrease in mass. Since a = ΣFnet /m , acceleration increases. ...
A force is a push or pull on an object. In this lesson, you will be
... hit the ground at the same time. In this example, the only force that is acting on the bowling ball and feather is gravity. Although the bowling ball has more mass than the feather and therefore more weight due to the force of gravity, they both are in a state of free fall, so both will accelerate a ...
... hit the ground at the same time. In this example, the only force that is acting on the bowling ball and feather is gravity. Although the bowling ball has more mass than the feather and therefore more weight due to the force of gravity, they both are in a state of free fall, so both will accelerate a ...
Exam 2
... A) No, because the object has constant speed. B) No, because the force and the displacement of the object are perpendicular. C) Yes, since a force acts and the object moves, and work is force times distance. D) Yes, since it takes energy to turn an object. 40) A 3.0-kg object moves to the right at 4 ...
... A) No, because the object has constant speed. B) No, because the force and the displacement of the object are perpendicular. C) Yes, since a force acts and the object moves, and work is force times distance. D) Yes, since it takes energy to turn an object. 40) A 3.0-kg object moves to the right at 4 ...
Unit 2 Exam Study Guide
... downward upon your body. The reaction force to the force of the Earth pulling you downward is ___. a. the force of the chair pushing you upward b. the force of the floor pushing your chair upward c. the force of the Earth pushing you upward d. the force of your body pulling the Earth upwards 13. A g ...
... downward upon your body. The reaction force to the force of the Earth pulling you downward is ___. a. the force of the chair pushing you upward b. the force of the floor pushing your chair upward c. the force of the Earth pushing you upward d. the force of your body pulling the Earth upwards 13. A g ...