How? – Use a Note-taking System
... Equal forces acting in opposite directions on an object balance each other and are equal to no force at all. When balanced forces (or no force) act on an object its speed stays the same, there is no acceleration An object will accelerate if the pushing force is greater than the resistance force. Whe ...
... Equal forces acting in opposite directions on an object balance each other and are equal to no force at all. When balanced forces (or no force) act on an object its speed stays the same, there is no acceleration An object will accelerate if the pushing force is greater than the resistance force. Whe ...
Normal Force
... 1. A force is needed to change the state of motion 2. Force is a vector; obeys superposition principle: the net force is a vector sum of all forces acting on an object 3. The direction of acceleration vector is the same as the direction of the force vector 4. The magnitude of the force and accelerat ...
... 1. A force is needed to change the state of motion 2. Force is a vector; obeys superposition principle: the net force is a vector sum of all forces acting on an object 3. The direction of acceleration vector is the same as the direction of the force vector 4. The magnitude of the force and accelerat ...
Chapter 5
... • When a passenger with mass m rides in an elevator with yacceleration ay, a scale shows the passenger’s apparent weight to be n = m∙(g + ay) • When the elevator is accelerating upward, ay is positive and n is greater than the passenger’s weight w = mg. when the elevator is accelerating downward, ay ...
... • When a passenger with mass m rides in an elevator with yacceleration ay, a scale shows the passenger’s apparent weight to be n = m∙(g + ay) • When the elevator is accelerating upward, ay is positive and n is greater than the passenger’s weight w = mg. when the elevator is accelerating downward, ay ...
Force & Motion Buckle Down Review
... often with greatly different masses. Look at the illustration of a hammer pounding a nail into a board. The hammer supplies an action force, one that pushes on the nail downward. The nail supplies a reaction force, one that is equal to the action force and pushes on the hammer upward. Because the ha ...
... often with greatly different masses. Look at the illustration of a hammer pounding a nail into a board. The hammer supplies an action force, one that pushes on the nail downward. The nail supplies a reaction force, one that is equal to the action force and pushes on the hammer upward. Because the ha ...
For an object travelling with “uniform circular motion,”
... 5. A rock is tied to the end of a 35 cm long string and whirled around in a circle that describes a vertical plane. The tension in the string becomes zero when the speed of the rock is a) 9.8 x 102 cm/s c) 19 cm/s b) 1.9 x 102 cm/s d) 9.8 cm/s e) 1.9 cm/s 6. A curve in the highway is banked at 15° a ...
... 5. A rock is tied to the end of a 35 cm long string and whirled around in a circle that describes a vertical plane. The tension in the string becomes zero when the speed of the rock is a) 9.8 x 102 cm/s c) 19 cm/s b) 1.9 x 102 cm/s d) 9.8 cm/s e) 1.9 cm/s 6. A curve in the highway is banked at 15° a ...
Forces Review Game
... Andy pushes 65 kg crate with a horizontal force of 250 N across the physics portable at a constant velocity of 3.0 m/s. Trying to be helpful and knowing a bit of physics, Betty uses a rope to pull directly up on the box. The coefficient of static friction is 0.70 and the coefficient of kinetic frict ...
... Andy pushes 65 kg crate with a horizontal force of 250 N across the physics portable at a constant velocity of 3.0 m/s. Trying to be helpful and knowing a bit of physics, Betty uses a rope to pull directly up on the box. The coefficient of static friction is 0.70 and the coefficient of kinetic frict ...
1 PY105 Uniform and Vertical Circular Motions
... the turntable. We start spinning the turntable, steadily increasing the speed. Which coin starts sliding on the ...
... the turntable. We start spinning the turntable, steadily increasing the speed. Which coin starts sliding on the ...
Slide 1
... This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching their courses and assessing student learning. Dissemination or sale of any part of this work (including on the World Wide Web) will destroy the integrity of the work and is not permit ...
... This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching their courses and assessing student learning. Dissemination or sale of any part of this work (including on the World Wide Web) will destroy the integrity of the work and is not permit ...
6-1 Gravity and Motion
... • Find the Velocity of a penny that is dropped after it falls for 2 seconds • A rock hits the ground after falling for 4.5 seconds, what is the velocity? ...
... • Find the Velocity of a penny that is dropped after it falls for 2 seconds • A rock hits the ground after falling for 4.5 seconds, what is the velocity? ...
Motion Along a Straight Line at Constant Acceleration
... is replaced with angular displacement measured in radians. Angular displacement r ...
... is replaced with angular displacement measured in radians. Angular displacement r ...
Chapter 6 PPT
... Find the car’s weight and the friction force if the engine produces a force of 2,000 newtons between the tires and the road and the normal force on the car is ...
... Find the car’s weight and the friction force if the engine produces a force of 2,000 newtons between the tires and the road and the normal force on the car is ...
PHY2053-S10 Exam II Chapters 6-10
... lump of clay is suspended from a cord 4.0 m long. When the pitcher throws his fastball aimed at the clay, the ball becomes embedded in the clay and the two swing up to a maximum height of 0.35 m. If the mass of the baseball is 0.21 kg, find the speed of the pitch. ( Hint: Use conservation of moment ...
... lump of clay is suspended from a cord 4.0 m long. When the pitcher throws his fastball aimed at the clay, the ball becomes embedded in the clay and the two swing up to a maximum height of 0.35 m. If the mass of the baseball is 0.21 kg, find the speed of the pitch. ( Hint: Use conservation of moment ...
Unit 6: Motion and Forces
... Analyze the motion of an object in terms of its position, velocity and acceleration as functions of time Solve problems involving distance, velocity, speed and acceleration Create and interpret graphs ...
... Analyze the motion of an object in terms of its position, velocity and acceleration as functions of time Solve problems involving distance, velocity, speed and acceleration Create and interpret graphs ...
CNFM packet NEW
... 18. To the right is a picture of an Atwood's Machine: two masses attached to a frictionless, massless pulley (pretty neat how physicists dream up equipment like this, huh?). The mass of block A is 5.0 kg, and the mass of B is 2.0 kg. a) What is the acceleration of the system when the blocks are rel ...
... 18. To the right is a picture of an Atwood's Machine: two masses attached to a frictionless, massless pulley (pretty neat how physicists dream up equipment like this, huh?). The mass of block A is 5.0 kg, and the mass of B is 2.0 kg. a) What is the acceleration of the system when the blocks are rel ...
2.05 AQA F = ma - extra questions
... Q3. The following data were obtained when two students performed an experiment to determine the acceleration of free fall. One student released a lump of lead the size of a tennis ball from a window in a tall building and the other measured the time for it to reach the ground. distance fallen by the ...
... Q3. The following data were obtained when two students performed an experiment to determine the acceleration of free fall. One student released a lump of lead the size of a tennis ball from a window in a tall building and the other measured the time for it to reach the ground. distance fallen by the ...
Gravity: the Laws of Motions
... Mass and Weight • Mass is a measure of how much material is in an object. • Weight is the force exterted by gravity on a massive body (body with mass), e.g. placed on the surface of Earth • Weight is a measure of the gravitational force exerted on that material. • Thus, mass is constant for an obje ...
... Mass and Weight • Mass is a measure of how much material is in an object. • Weight is the force exterted by gravity on a massive body (body with mass), e.g. placed on the surface of Earth • Weight is a measure of the gravitational force exerted on that material. • Thus, mass is constant for an obje ...
