ch5
... without causing its motion to change. • Two or more forces are balanced forces if their effects cancel each other and they do not cause a change in an object's motion. • If the effects of the forces don't cancel each other, the forces are unbalanced forces. ...
... without causing its motion to change. • Two or more forces are balanced forces if their effects cancel each other and they do not cause a change in an object's motion. • If the effects of the forces don't cancel each other, the forces are unbalanced forces. ...
Momentum, Impulse and Collision
... breaks into three equal-mass pieces, A,B, and C, which slide along the surface, piece A moves off the negative x-direction, while piece B moves off in the negative y–direction. 1. What are the signs of the velocity components of piece C? 2. Which of the three pieces is moving the fastest? ...
... breaks into three equal-mass pieces, A,B, and C, which slide along the surface, piece A moves off the negative x-direction, while piece B moves off in the negative y–direction. 1. What are the signs of the velocity components of piece C? 2. Which of the three pieces is moving the fastest? ...
Lesson Record – Physics -2009-2010
... a. for force problems, make freebody diagram b. identify condition of subject (is it in mechanical equilibrium) c. write force equation, setting net force in each direction to zero 3. Start reviewing problems from CD 4-1; 1st page, Free fall distance. Demonstrate use of equation 4 a from yesterday’s ...
... a. for force problems, make freebody diagram b. identify condition of subject (is it in mechanical equilibrium) c. write force equation, setting net force in each direction to zero 3. Start reviewing problems from CD 4-1; 1st page, Free fall distance. Demonstrate use of equation 4 a from yesterday’s ...
pompton lakes high school - Pompton Lakes School District
... Recognize the difference between the scientific and ordinary definitions of work Define work, relating it to force and displacement Identify where work is being performed in a variety of situations Calculate the net work done when many forces are applied to an object Distinguish between po ...
... Recognize the difference between the scientific and ordinary definitions of work Define work, relating it to force and displacement Identify where work is being performed in a variety of situations Calculate the net work done when many forces are applied to an object Distinguish between po ...
Document
... b) The vector sum of all the external forces that act on the body must be zero. c) The linear momentum of the object must be zero. d) The vector sum of all the external torques acting on the body must be zero. e) All of the above are requirements of static equilibrium. ...
... b) The vector sum of all the external forces that act on the body must be zero. c) The linear momentum of the object must be zero. d) The vector sum of all the external torques acting on the body must be zero. e) All of the above are requirements of static equilibrium. ...
Chapter 5
... yields FN = 2.0 N. (a) By Newton’s third law, the force exerted by the block on the surface has that same magnitude but opposite direction: 2.0 N. (b) The direction is down. 15. (a) – (c) In all three cases the scale is not accelerating, which means that the two cords exert forces of equal magnitude ...
... yields FN = 2.0 N. (a) By Newton’s third law, the force exerted by the block on the surface has that same magnitude but opposite direction: 2.0 N. (b) The direction is down. 15. (a) – (c) In all three cases the scale is not accelerating, which means that the two cords exert forces of equal magnitude ...
Lecture 4 - USU Department of Physics
... Sometimes called “magnitude”. Examples: Length, volume, mass, temperature, speed… Vectors: Many measurements in physics require a knowledge of the magnitude and direction of quantity. These are termed vector quantities. Examples: Velocity, acceleration, force, electric field… Direction is an essenti ...
... Sometimes called “magnitude”. Examples: Length, volume, mass, temperature, speed… Vectors: Many measurements in physics require a knowledge of the magnitude and direction of quantity. These are termed vector quantities. Examples: Velocity, acceleration, force, electric field… Direction is an essenti ...
3.2 The Momentum Principles
... Momentum is a measure of the tendency of an object to keep moving once it is set in motion. Consider first the particle of rigid body dynamics: the (linear) momentum p is defined to be its mass times velocity, p = mv . The rate of change of momentum p& is ...
... Momentum is a measure of the tendency of an object to keep moving once it is set in motion. Consider first the particle of rigid body dynamics: the (linear) momentum p is defined to be its mass times velocity, p = mv . The rate of change of momentum p& is ...
Document
... How is the water removed from clothes during the spin cycle of a washer? Think carefully before answering . . . Does the centripetal force throw water off the clothes? NO. Actually, it is the LACK of a force that allows the water to leave the clothes through holes in the circular wall of the ...
... How is the water removed from clothes during the spin cycle of a washer? Think carefully before answering . . . Does the centripetal force throw water off the clothes? NO. Actually, it is the LACK of a force that allows the water to leave the clothes through holes in the circular wall of the ...
AIM: Force and Motion Ideas An object`s position can be described
... The distance an object travels is the length of the actual path it takes from its starting position to its ending position. Objects may travel different distances between the same starting and ending points. The average speed of an object (as opposed to its speed at a particular instant) is defi ...
... The distance an object travels is the length of the actual path it takes from its starting position to its ending position. Objects may travel different distances between the same starting and ending points. The average speed of an object (as opposed to its speed at a particular instant) is defi ...
phys1441-summer14-070314
... Remember under what condition the linear momentum is conserved? Linear momentum is conserved when the net external force is 0. By the same token, the angular momentum of a system is constant in both magnitude and direction, if the resultant external torque acting on the system is 0. ...
... Remember under what condition the linear momentum is conserved? Linear momentum is conserved when the net external force is 0. By the same token, the angular momentum of a system is constant in both magnitude and direction, if the resultant external torque acting on the system is 0. ...
b) the 2.0 kg mass? (
... Physics 20 Unit B: Dynamics apply Newton’s first law of motion to explain, qualitatively, an object’s state of rest or uniform motion ...
... Physics 20 Unit B: Dynamics apply Newton’s first law of motion to explain, qualitatively, an object’s state of rest or uniform motion ...
ch13
... Vector Mechanics for Engineers: Dynamics Applications of the Principle of Work and Energy • Principle of work and energy cannot be applied to directly determine the acceleration of the pendulum bob. • Calculating the tension in the cord requires supplementing the method of work and energy with an ap ...
... Vector Mechanics for Engineers: Dynamics Applications of the Principle of Work and Energy • Principle of work and energy cannot be applied to directly determine the acceleration of the pendulum bob. • Calculating the tension in the cord requires supplementing the method of work and energy with an ap ...