Gravity Powerpoint
... • Remember that friction acts in the direction opposite to motion, so air resistance is an upward force exerted on falling objects. • Air resistance is not the same for all objects. • Falling objects with a greater surface area experience more air resistance. • That is why a leaf falls more slowly ...
... • Remember that friction acts in the direction opposite to motion, so air resistance is an upward force exerted on falling objects. • Air resistance is not the same for all objects. • Falling objects with a greater surface area experience more air resistance. • That is why a leaf falls more slowly ...
Physics 101 Fall 02 - Youngstown State University
... velocity (w) is constant. • Direction always changing. • Hence linear velocity v is not constant. • The instantaneous direction of v is tangential to the circular path. • Since velocity v is not constant, an object in uniform circular motion must have an acceleration. ...
... velocity (w) is constant. • Direction always changing. • Hence linear velocity v is not constant. • The instantaneous direction of v is tangential to the circular path. • Since velocity v is not constant, an object in uniform circular motion must have an acceleration. ...
Chapters Two and Three
... “Every object retains it state of motion of its stat of uniform straight-line motion unless acted up by an unbalanced force” Inertia Mass ...
... “Every object retains it state of motion of its stat of uniform straight-line motion unless acted up by an unbalanced force” Inertia Mass ...
F 1 - s3.amazonaws.com
... Sketch the object in question Draw an arrow for each force acting on the object Label each force Indicate the direction of acceleration off to the side (acceleration is NOT a force) ...
... Sketch the object in question Draw an arrow for each force acting on the object Label each force Indicate the direction of acceleration off to the side (acceleration is NOT a force) ...
My Skydiving Mishaps: A Quick Lesson in
... immediate acceleration downwards. What the instructors neglected to mention was that if you miss the first instruction and move your leg off the step, there is a very likely chance that your leg will smack into that very step, as it is in the way of your immediate direction down. And that is indeed ...
... immediate acceleration downwards. What the instructors neglected to mention was that if you miss the first instruction and move your leg off the step, there is a very likely chance that your leg will smack into that very step, as it is in the way of your immediate direction down. And that is indeed ...
Answers
... With a ruler and a pencil, resolve vector L into two perpendicular components, horizontal Lx, and vertical Ly. Make these vectors dashed to distinguish them from L. Circle the correct answers. 1. The velocity of the airplane at any instant is (along the radius of) (tangent to) its circular path. 2. ...
... With a ruler and a pencil, resolve vector L into two perpendicular components, horizontal Lx, and vertical Ly. Make these vectors dashed to distinguish them from L. Circle the correct answers. 1. The velocity of the airplane at any instant is (along the radius of) (tangent to) its circular path. 2. ...
19. H Forces at Angles Questions
... 15. A new ship of mass 7.7x107kg is guided out to sea by 2 tug boats. If each tug boat pulls the ship with a force of 2.5x106N at an angle of 36° on either side of the horizontal then, calculate or find: a) Total horizontal force exerted on the ship. b) Initial acceleration of the ship. c) The total ...
... 15. A new ship of mass 7.7x107kg is guided out to sea by 2 tug boats. If each tug boat pulls the ship with a force of 2.5x106N at an angle of 36° on either side of the horizontal then, calculate or find: a) Total horizontal force exerted on the ship. b) Initial acceleration of the ship. c) The total ...
RevfinQ2010AnsFa06
... 14. Suppose a little calculator and a big physics text are sliding toward you on a frictionless air table. Both have the same momentum, and you exert the same force to stop each. How do the time intervals to stop them compare? A: It takes less time to stop the little calculator. B: Both take the sam ...
... 14. Suppose a little calculator and a big physics text are sliding toward you on a frictionless air table. Both have the same momentum, and you exert the same force to stop each. How do the time intervals to stop them compare? A: It takes less time to stop the little calculator. B: Both take the sam ...
Comprehensive Final Exam Review 2014
... 6. Find the value of 'g' 25000 km above the surface of Uranus. 7. Point charge A (-2.3 x 10-4 C) is 80 cm away from point charge B (3.55 x 10-2 C). What is the magnitude of the force between these charges? Is the force repulsive or attractive? 8. Using ratios only, find the weight of an object with ...
... 6. Find the value of 'g' 25000 km above the surface of Uranus. 7. Point charge A (-2.3 x 10-4 C) is 80 cm away from point charge B (3.55 x 10-2 C). What is the magnitude of the force between these charges? Is the force repulsive or attractive? 8. Using ratios only, find the weight of an object with ...
Drive Mechanisms
... the outer circumference of each sprocket is the same as that of the chain, vchain. Now recall that the angular velocity is defined as the cross product of the displacement from the rotation axis to the point at which the velocity is measured, times the velocity: ...
... the outer circumference of each sprocket is the same as that of the chain, vchain. Now recall that the angular velocity is defined as the cross product of the displacement from the rotation axis to the point at which the velocity is measured, times the velocity: ...
Circular Motion
... on the smaller circular path is A. the same as The answer is D. The centripetal force needed B. one fourth of to maintain the circular motion of an object is inversely proportional to the radius of the circle. C. half of Everybody knows that it is harder to navigate a ...
... on the smaller circular path is A. the same as The answer is D. The centripetal force needed B. one fourth of to maintain the circular motion of an object is inversely proportional to the radius of the circle. C. half of Everybody knows that it is harder to navigate a ...
inDinns
... 35. An airplane pilot flying at constant velocity and altitude drops a heavy crate. Ignoring air resistance, where will the plane be relative to the crate when the crate hits the ground? Draw the path of the crate as seen by an observer on the ground. (6A) The plane will be directly over the crate w ...
... 35. An airplane pilot flying at constant velocity and altitude drops a heavy crate. Ignoring air resistance, where will the plane be relative to the crate when the crate hits the ground? Draw the path of the crate as seen by an observer on the ground. (6A) The plane will be directly over the crate w ...
rotation
... We will assume that the axis along which the angular momentum points does not change direction. A baseball curve ball is too hard for us to deal with. Just as we could break the kinetic energy into two parts, so too can we break down the angular momentum: ...
... We will assume that the axis along which the angular momentum points does not change direction. A baseball curve ball is too hard for us to deal with. Just as we could break the kinetic energy into two parts, so too can we break down the angular momentum: ...
net force
... In order for sink a ship in the harbor, a cannon ball of 25kg must be accelerated at 44m/s2. How much force is required to hit the ship? ...
... In order for sink a ship in the harbor, a cannon ball of 25kg must be accelerated at 44m/s2. How much force is required to hit the ship? ...
Motion Characteristics for Circular Motion
... moving in a circle has an outward force acting on it, a socalled centrifugal (center-fleeing) force. Consider for example a person swinging a ball on the end of a string. If you have ever done this yourself, you know that you feel a force pulling outward on your hand. This misconception arises when ...
... moving in a circle has an outward force acting on it, a socalled centrifugal (center-fleeing) force. Consider for example a person swinging a ball on the end of a string. If you have ever done this yourself, you know that you feel a force pulling outward on your hand. This misconception arises when ...