HW7
... As can be seen from the diagram, the component of the force of gravity that is perpendicular to the rod is mg sin . If is the length of the rod, then the torque associated with this force has magnitude mg sin (0.75)(9.8)(1.25) sin 30 4.6 N m . For the position shown, the torque is co ...
... As can be seen from the diagram, the component of the force of gravity that is perpendicular to the rod is mg sin . If is the length of the rod, then the torque associated with this force has magnitude mg sin (0.75)(9.8)(1.25) sin 30 4.6 N m . For the position shown, the torque is co ...
Chapter 2 - Forces In Motion
... All forces act in pairs called action-reaction force pairs If a force is exerted, another force occurs that is equal in size and opposite in direction to the first. ...
... All forces act in pairs called action-reaction force pairs If a force is exerted, another force occurs that is equal in size and opposite in direction to the first. ...
Standard EPS Shell Presentation
... tend to keep on doing what they were doing in the first place. ...
... tend to keep on doing what they were doing in the first place. ...
Do now!
... Eventually the air resistance grows until it equals the force of gravity. At this time the dog travels with constant velocity (called its terminal velocity) ...
... Eventually the air resistance grows until it equals the force of gravity. At this time the dog travels with constant velocity (called its terminal velocity) ...
rotational inertia
... • To determine exactly where it lies, we have to suspend the object from some other point and draw a vertical line from that point of suspension. • Where the two lines intersect is the center of gravity. ...
... • To determine exactly where it lies, we have to suspend the object from some other point and draw a vertical line from that point of suspension. • Where the two lines intersect is the center of gravity. ...
Wednesday, July 14, 2004
... When there are more than one force being exerted on certain points of the object, one can sum up the torque generated by each force vectorially. The convention for sign of the torque is positive if rotation is in counter-clockwise and negative if clockwise. Wednesday, July 14, 2004 ...
... When there are more than one force being exerted on certain points of the object, one can sum up the torque generated by each force vectorially. The convention for sign of the torque is positive if rotation is in counter-clockwise and negative if clockwise. Wednesday, July 14, 2004 ...
Conceptual Physics Review # 3
... 22. Increasing the angle of the incline increases the final speed of the ball. What else does it change? A. the mass of the ball B. the weight of the ball C. impossible to determine ...
... 22. Increasing the angle of the incline increases the final speed of the ball. What else does it change? A. the mass of the ball B. the weight of the ball C. impossible to determine ...
phys1443-fall04-111004
... Example for Moment of Inertia In a system of four small spheres as shown in the figure, assuming the radii are negligible and the rods connecting the particles are massless, compute the moment of inertia and the rotational kinetic energy when the system rotates about the y-axis at angular speed w. ...
... Example for Moment of Inertia In a system of four small spheres as shown in the figure, assuming the radii are negligible and the rods connecting the particles are massless, compute the moment of inertia and the rotational kinetic energy when the system rotates about the y-axis at angular speed w. ...
Electrostatics
... The amount of acceleration experienced by an object is proportional to the amount of force acting on it. bigger force bigger acceleration ...
... The amount of acceleration experienced by an object is proportional to the amount of force acting on it. bigger force bigger acceleration ...
Forces, Motion, and Energy
... *An increase in velocity or speeding up is called __positive ___ acceleration. Gas pedal *A decrease in velocity or slowing down is called ____negative_____ acceleration. ...
... *An increase in velocity or speeding up is called __positive ___ acceleration. Gas pedal *A decrease in velocity or slowing down is called ____negative_____ acceleration. ...