Document
... 17. Identify conservative and non conservative forces (a) Gravity (b) Kinetic Friction (c) Tension (d) Electric (e) Elastic 18. The work done by a non-conservative force only depends on the initial and final positions, and not on the path taken. (True or False) 19. Whenever a force is applied, and t ...
... 17. Identify conservative and non conservative forces (a) Gravity (b) Kinetic Friction (c) Tension (d) Electric (e) Elastic 18. The work done by a non-conservative force only depends on the initial and final positions, and not on the path taken. (True or False) 19. Whenever a force is applied, and t ...
Worksheet - 2
... 7.Derive the equation of motion for position-time relation S=ut+1/2 at2 8.Derive graphically the position-velocity equation of motion v2-u2=2as 9. A ball is dropped from a height of 50m. If its velocity increases uniformly at the rate of 10m/sec2 a) With what velocity will it strike the ground? b) A ...
... 7.Derive the equation of motion for position-time relation S=ut+1/2 at2 8.Derive graphically the position-velocity equation of motion v2-u2=2as 9. A ball is dropped from a height of 50m. If its velocity increases uniformly at the rate of 10m/sec2 a) With what velocity will it strike the ground? b) A ...
Chapter 4 Making Sense of the Universe: Understanding Motion
... • All falling objects accelerate at the same rate (not counting friction of air resistance). • On Earth, g ≈ 10 m/s2: speed increases 10 m/s with each second of falling. ...
... • All falling objects accelerate at the same rate (not counting friction of air resistance). • On Earth, g ≈ 10 m/s2: speed increases 10 m/s with each second of falling. ...
Momentum and Energy
... 1. The third floor of a house is 8 m above street level. How much work is needed to move a 150 kg refrigerator to the third floor? 1. During a tug-of-war, team A does 2.2 x 105 J of work in pulling team B 8 m. What force did team A exert? 1. A wagon is pulled by a force of 38 N exerted on the handle ...
... 1. The third floor of a house is 8 m above street level. How much work is needed to move a 150 kg refrigerator to the third floor? 1. During a tug-of-war, team A does 2.2 x 105 J of work in pulling team B 8 m. What force did team A exert? 1. A wagon is pulled by a force of 38 N exerted on the handle ...
File
... object in motion stays in motion until acted on by an outside force. Nothing will begin moving or stop moving unless something makes it. ...
... object in motion stays in motion until acted on by an outside force. Nothing will begin moving or stop moving unless something makes it. ...
Newton`s Laws PowerPoint
... resist a change in its motion In order to overcome an object’s inertia, a force must be exerted on the object. Greater mass=greater inertia Newton’s 1st Law is also called the Law of Inertia Inertia ...
... resist a change in its motion In order to overcome an object’s inertia, a force must be exerted on the object. Greater mass=greater inertia Newton’s 1st Law is also called the Law of Inertia Inertia ...
以人为本 深化改革 努力探索实验室开放的新路子
... f C F This imaginary force is called Coriolic’s force. Its magnitude is ...
... f C F This imaginary force is called Coriolic’s force. Its magnitude is ...
Expectations for Ch 2 & 3
... Object not moving, v = 0 m/s Object moving at constant velocity Object accelerating Object decelerating (negative acceleration) • (Last 2 situations have unbalanced forces acting on them - to be discussed later in the book) ...
... Object not moving, v = 0 m/s Object moving at constant velocity Object accelerating Object decelerating (negative acceleration) • (Last 2 situations have unbalanced forces acting on them - to be discussed later in the book) ...
Document
... A simple machine can increase the amount of effort force applied to the machine. It can do this by increasing the distance that the effort force is applied (such as using a long lever to pry a heavy object). ...
... A simple machine can increase the amount of effort force applied to the machine. It can do this by increasing the distance that the effort force is applied (such as using a long lever to pry a heavy object). ...
Newtons Laws of Motion - Instructor Outline
... speed and mass of the cars is remaining constant in accordance with the impulsemomentum formulation of Newton’s Second Law J=FΔt=Δp . The constant-mass formulation (F=ma) is then introduced. The fact that all objects fall with the same acceleration due to gravity is explained using Newton’s Second L ...
... speed and mass of the cars is remaining constant in accordance with the impulsemomentum formulation of Newton’s Second Law J=FΔt=Δp . The constant-mass formulation (F=ma) is then introduced. The fact that all objects fall with the same acceleration due to gravity is explained using Newton’s Second L ...
