Plan for March 2010
... things become “weightless”. The weight of an object is due to the attraction its mass feels to other objects with mass. People have observed that one piece of mass attracts another piece of mass. Objects on earth have weight because their relatively small mass interacts with the mass of the earth an ...
... things become “weightless”. The weight of an object is due to the attraction its mass feels to other objects with mass. People have observed that one piece of mass attracts another piece of mass. Objects on earth have weight because their relatively small mass interacts with the mass of the earth an ...
Practice_Exercise
... proportional to the net force acting on it. If the net B) 2 force is multiplied by some factor and the mass is C) 1/4 held constant the acceleration will be multiplied by D) 4 the same factor. Doubling the net force will double the acceleration. The acceleration is inversely proportional to the obje ...
... proportional to the net force acting on it. If the net B) 2 force is multiplied by some factor and the mass is C) 1/4 held constant the acceleration will be multiplied by D) 4 the same factor. Doubling the net force will double the acceleration. The acceleration is inversely proportional to the obje ...
Chapter 6 Impulse and Momentum Continued
... Conceptual Example Is the Total Momentum Conserved? Imagine two balls colliding on a billiard table that is friction-free. Use the momentum conservation principle in answering the following questions. (a) Is the total momentum of the two-ball system the same before and after the collision? (b) Answe ...
... Conceptual Example Is the Total Momentum Conserved? Imagine two balls colliding on a billiard table that is friction-free. Use the momentum conservation principle in answering the following questions. (a) Is the total momentum of the two-ball system the same before and after the collision? (b) Answe ...
Chapter 3 Golden Ticket
... 3. The quantity of matter in an object. More specifically, it is the measure of the inertia or sluggishness that an object exhibits in response to any effort made to start it, stop it, deflect it, or change in any way its state of motion. 4. When two values change in opposite directions, so that if ...
... 3. The quantity of matter in an object. More specifically, it is the measure of the inertia or sluggishness that an object exhibits in response to any effort made to start it, stop it, deflect it, or change in any way its state of motion. 4. When two values change in opposite directions, so that if ...
Studying - Warren Township Schools
... (i) the total kinetic energy before the collision; (ii) the total kinetic energy after the collision. (iii) the total loss in kinetic energy. ...
... (i) the total kinetic energy before the collision; (ii) the total kinetic energy after the collision. (iii) the total loss in kinetic energy. ...
1.7 Work Done, Potential and Kinetic Energy
... 1 To enable a train to travel at a steady speed of 30 ms–1 along a level track, the engine must supply a pulling force of 50 kN. (a) How much work is the engine doing every second? (b) If the power is proportional to the cube of the velocity, how much power is needed to drive the train at a speed ...
... 1 To enable a train to travel at a steady speed of 30 ms–1 along a level track, the engine must supply a pulling force of 50 kN. (a) How much work is the engine doing every second? (b) If the power is proportional to the cube of the velocity, how much power is needed to drive the train at a speed ...
Monday, Oct. 6, 2003
... Kepler lived in Germany and discovered the law’s governing planets’ movement some 70 years before Newton, by analyzing data. 1. All planets move in elliptical orbits with the Sun at one focal point. 2. The radius vector drawn from the Sun to a planet sweeps out equal area in equal time intervals. (A ...
... Kepler lived in Germany and discovered the law’s governing planets’ movement some 70 years before Newton, by analyzing data. 1. All planets move in elliptical orbits with the Sun at one focal point. 2. The radius vector drawn from the Sun to a planet sweeps out equal area in equal time intervals. (A ...
Motion
... velocity of an object to the time taken. It is a vector quantity. An object accelerates if its speed changes or its direction of travel changes. Deceleration in one direction is acceleration in the opposite direction (negative acceleration). ...
... velocity of an object to the time taken. It is a vector quantity. An object accelerates if its speed changes or its direction of travel changes. Deceleration in one direction is acceleration in the opposite direction (negative acceleration). ...
KIN340-Chapter12
... The push or pull acting on the body measured in Newtons (N) The relationship between the forces which affect a body, and the state of motion of that body, can be summarized by Newton’s three Laws of Motion: 1. Law of Inertia A body will continue in its state of rest or motion in a straight line, unl ...
... The push or pull acting on the body measured in Newtons (N) The relationship between the forces which affect a body, and the state of motion of that body, can be summarized by Newton’s three Laws of Motion: 1. Law of Inertia A body will continue in its state of rest or motion in a straight line, unl ...
MOMENTUM! - Bibb County Public School District
... Angular momentum depends on linear momentum and the distance from a particular point. It is a vector quantity with symbol L. If r and v are then the magnitude of angular momentum w/ resp. to point Q is given by L = rp = mvr. In this case L points out of the page. If the mass were moving in the opp ...
... Angular momentum depends on linear momentum and the distance from a particular point. It is a vector quantity with symbol L. If r and v are then the magnitude of angular momentum w/ resp. to point Q is given by L = rp = mvr. In this case L points out of the page. If the mass were moving in the opp ...
Energy_Concept_Tests
... The force exerted by the catcher is opposite in direction to the displacement of the ball, so the work is negative. Or using the definition of work (W = F d cos q ), since q = 180o, then W < 0. Note that because the work done on the ball is negative, its speed decreases. Follow-up: What about the wo ...
... The force exerted by the catcher is opposite in direction to the displacement of the ball, so the work is negative. Or using the definition of work (W = F d cos q ), since q = 180o, then W < 0. Note that because the work done on the ball is negative, its speed decreases. Follow-up: What about the wo ...
