South Pasadena · AP Chemistry
... compared to the force of air resistance acting on a feather is . . a) greater for the elephant The effect of the air resistance is greater on the feather because it is lighter in weight, but the value is greater for the elephant because it is much heavier and travels longer and faster and has more t ...
... compared to the force of air resistance acting on a feather is . . a) greater for the elephant The effect of the air resistance is greater on the feather because it is lighter in weight, but the value is greater for the elephant because it is much heavier and travels longer and faster and has more t ...
FORCES AND MOTION UNIT TEST Multiple Choice
... d. slowing down. 42. A mechanical device requires 400 J of work to do 340 J of work in lifting a crate. What is the efficiency of the device? a. 0.9% c. 85% b. 60% d. 118% 43. What is the momentum of a 50-kilogram ice skater gliding across the ice at a speed of 2 m/s? a. 25 c. 48 kg m/s b. 50 kg d. ...
... d. slowing down. 42. A mechanical device requires 400 J of work to do 340 J of work in lifting a crate. What is the efficiency of the device? a. 0.9% c. 85% b. 60% d. 118% 43. What is the momentum of a 50-kilogram ice skater gliding across the ice at a speed of 2 m/s? a. 25 c. 48 kg m/s b. 50 kg d. ...
Document
... 21. A space shuttle follows the curve of the Earth’s surface as it moves at a constant speed, and so is said to be ______________________Earth. 22. Why don’t space shuttle astronauts in orbit hit their heads on the ceiling of the falling shuttle? _____________________________________________________ ...
... 21. A space shuttle follows the curve of the Earth’s surface as it moves at a constant speed, and so is said to be ______________________Earth. 22. Why don’t space shuttle astronauts in orbit hit their heads on the ceiling of the falling shuttle? _____________________________________________________ ...
Test 5 Review Test 5 Review
... (4) A rubber stopper, which has a mass of m = 14.5 grams, is tied to the end of a string which is threaded through a glass tube. A student then spins the rubber stopper about his head in a horizontal circle as shown. The stopper sags α = 18.0˙ below the horizontal as shown and the distance from the ...
... (4) A rubber stopper, which has a mass of m = 14.5 grams, is tied to the end of a string which is threaded through a glass tube. A student then spins the rubber stopper about his head in a horizontal circle as shown. The stopper sags α = 18.0˙ below the horizontal as shown and the distance from the ...
Word - Structured Independent Learning
... acceleration is caused by forces or, to be more precise, an unbalanced force causes an object to accelerate. If the forces acting on an object are balanced, there is no acceleration and the motion remains uniform. However, if the forces acting on an object are unbalanced, the object will accelerate ...
... acceleration is caused by forces or, to be more precise, an unbalanced force causes an object to accelerate. If the forces acting on an object are balanced, there is no acceleration and the motion remains uniform. However, if the forces acting on an object are unbalanced, the object will accelerate ...
ppt
... upward upon it in order for it to climb. This is not true. A force is not required to keep an object in motion. A force is only required to maintain acceleration. The path of a projectile is not that complicated. Many projectiles not only undergo a vertical motion, but also undergo a horizontal moti ...
... upward upon it in order for it to climb. This is not true. A force is not required to keep an object in motion. A force is only required to maintain acceleration. The path of a projectile is not that complicated. Many projectiles not only undergo a vertical motion, but also undergo a horizontal moti ...
Newton`s Laws - Industrial ISD
... Natural – objects on Earth seek natural resting place, such a boulder rolling downhill; the planets and stars Violent – imposed motion (external cause), such as that which makes a cart move, pulling on a rope, wind pushing a ship ...
... Natural – objects on Earth seek natural resting place, such a boulder rolling downhill; the planets and stars Violent – imposed motion (external cause), such as that which makes a cart move, pulling on a rope, wind pushing a ship ...
Newton`s 2nd Law
... 2. Set direction of motion. What would the object do if it could? Considered this the positive direction. 3. Using the forces listed below write the F equations relevant to the problem. In what direction is the problem moving? What matters, the x or the y direction? The parallel or the perpendicula ...
... 2. Set direction of motion. What would the object do if it could? Considered this the positive direction. 3. Using the forces listed below write the F equations relevant to the problem. In what direction is the problem moving? What matters, the x or the y direction? The parallel or the perpendicula ...
Uniform circular motion
... • A tube is been placed upon the table and shaped into a three-quarters circle. A golf ball is pushed into the tube at one end at high speed. The ball rolls through the tube and exits at the opposite end. Describe the path of the golf ball as it exits the tube. The ball will move along a path which ...
... • A tube is been placed upon the table and shaped into a three-quarters circle. A golf ball is pushed into the tube at one end at high speed. The ball rolls through the tube and exits at the opposite end. Describe the path of the golf ball as it exits the tube. The ball will move along a path which ...
PowerPoint Presentation - Mr. Cervantes Science Classes
... When the subject of circular motion is discussed, it is not uncommon to hear mention of the word "centrifugal." Centrifugal, not to be confused with centripetal, means away from the center or outward. The use of or at least the familiarity with this word centrifugal, combined with the common sensati ...
... When the subject of circular motion is discussed, it is not uncommon to hear mention of the word "centrifugal." Centrifugal, not to be confused with centripetal, means away from the center or outward. The use of or at least the familiarity with this word centrifugal, combined with the common sensati ...
Review for Test For the following diagrams calculate the net force
... F Y : __________ F X : __________ Read each FBD above. 1st line-determine the net force. 2nd line-describe the motion of the object. Situation A Situation B _________________ _________________ _________________ _________________ Situation C _________________ _________________ ...
... F Y : __________ F X : __________ Read each FBD above. 1st line-determine the net force. 2nd line-describe the motion of the object. Situation A Situation B _________________ _________________ _________________ _________________ Situation C _________________ _________________ ...
IGCSE-13-Forces&Movement
... describe the forces acting on falling objects and explain why falling objects reach a terminal velocity describe the factors affecting vehicle stopping distance including speed, mass, road condition and reaction time ...
... describe the forces acting on falling objects and explain why falling objects reach a terminal velocity describe the factors affecting vehicle stopping distance including speed, mass, road condition and reaction time ...
Conceptual Physics
... 73. A bug splatters against the windshield of a moving car. Compare the force of the bug on the car to the force of the car on the bug. 74. A bug splatters against the windshield of a moving car. Compare the deceleration of the bug to the deceleration of the car. 75. What propels a rocket in the vac ...
... 73. A bug splatters against the windshield of a moving car. Compare the force of the bug on the car to the force of the car on the bug. 74. A bug splatters against the windshield of a moving car. Compare the deceleration of the bug to the deceleration of the car. 75. What propels a rocket in the vac ...