The elevator is moving up at a constant velocity. what is the reading on the scale_
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1. An elevator is moving up at a constant velocity of 2.5 m/s, as illustrated in the diagram below: The man has a mass of 85. kg. a. Construct a force diagram for the man. Ffloor (man (Fn) Fearth ( man (Fg = 85kg*-10N/kg) b. What force does the floor exert on the man? CV : Fnet-x = 0N (no forces acting in x-direction)
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Dec 30, 2020 · Remember that escape velocity refers to the velocity of an object at sea level. If an explosion sends an object flying away at that speed, it will escape Earth. In your case, constant propulsion generates a constant force which steadily increases velocity, and is another (the practical) way to achieve escape velocity.
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Nov 24, 2013 · When the elevator is deelerating upward the elevator reading is equal to the man’s weight minus the product of the man’s mass and the deceleration. Scale reading = 84 * 9.8 + 84 * 1.20 = 924 N (b) The elevator continues upward at constant velocity for 8.50 s.
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Newton's Third Law. Newton's third law: All forces in the universe occur in equal but oppositely directed pairs. There are no isolated forces; for every external force that acts on an object there is a force of equal magnitude but opposite direction which acts back on the object which exerted that external force.
In other words, velocity describes change in position over time. • Motion with uniform or constant velocity is motion at a constant speed in a straight line. • Objects that are undergoing constant velocity have a position–time graph that is a straight line. 1.2 Questions 1. In other words: Net force = 0 object is in equilibrium a = 0 constant velocity In equilibrium: up and down (y) forces balance, right and left (x) forces balance. See diagram 5. If forces are balanced (F net = 0), object may be at rest OR moving with constant velocity. 32.
A) objects moving with an initial speed relative to a given frame of reference eventually come to rest relative to the reference frame. B) whether an object is at rest or is moving with constant velocity depends on the inertial reference frame in which the object is observed. C) rest is the most natural state of motion. In other words: Net force = 0 object is in equilibrium a = 0 constant velocity In equilibrium: up and down (y) forces balance, right and left (x) forces balance. See diagram 5. If forces are balanced (F net = 0), object may be at rest OR moving with constant velocity. 32.
NEET 2019: A particle moving with velocity v is acted by three forces shown by the vector triangle PQR. The velocity of the particle will: (A) remain
Linear Acceleration An object moving along a straight line with constant speed has constant velocity and zero acceleration A car that can go from 0 to 60 km/hour (1 km/minute) in 1 minute has a linear acceleration of 1 km/minute2 An object falling off the roof (on Earth) experiences a constant linear acceleration downward (g = 9.8 m/sec2). AP QUIZ #9 ADVANCED FORCES B3-RT54: PERSON IN A MOVING ELEVATOR—SCALE READING A person who weighs 600 N is standing on a scale in an elevator. The elevator is identical in all cases. The velocity and acceleration of the elevators at the instant shown are given.
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