* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Categories
Faster-than-light wikipedia , lookup
Velocity-addition formula wikipedia , lookup
Modified Newtonian dynamics wikipedia , lookup
Classical mechanics wikipedia , lookup
Hunting oscillation wikipedia , lookup
Newton's theorem of revolving orbits wikipedia , lookup
Fictitious force wikipedia , lookup
Jerk (physics) wikipedia , lookup
Rigid body dynamics wikipedia , lookup
Equations of motion wikipedia , lookup
Classical central-force problem wikipedia , lookup
Forces Balanced vs Unbalanced Net Force Speed Velocity Acceleration Graphs Newton’s Laws of Motion 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Balanced vs Unbalanced Prompt 100 Points When one force is greater than another, we say the forces are Categories Balanced vs Unbalanced 100 Points Unbalanced Categories Balanced vs Unbalanced 200 Points A book sits at rest on a table. The forces acting on the book are…. Categories Balanced vs Unbalanced 200 Points Balanced Categories Balanced vs Unbalanced 300 Points A car pulls up to a red light. As the car slows down the forces become... A. Frictional B. Balanced C. Unbalanced Categories Balanced vs Unbalanced 300 Points Balanced Categories Balanced vs Unbalanced 400 Points Unbalanced forces cause objects to …. Categories Balanced vs Unbalanced 400 Points Accelerate, change speed and/or direction Categories MINERALS 500 Points A space probe traveling through outer space has balanced forces acting on it. How is this possible since the space probe is in motion? Categories Balanced vs Unbalanced 500 Points The space probe is moving at a constant speed. Categories Net Force 100 Points What is the net force acting on the box? Categories Net Force 100 Points 5N – 5N = 0N Net Force = 0 Newtons Categories Net Force 200 Points What is the net force acting on the couch? Categories Net Force 200 Points 25N + 20N = 45 N Categories Net Force 300 Points What is the net force acting on the cart and what direction will it accelerate? Categories Net Force 300 Points 4N+4N=8N 8N-3N=5N Net Force = 5 Newtons to the right Categories Net Force 400 Points What is the net force acting on the box and which direction will the object accelerate? Categories Net Force 400 Points 100 N, up Categories Net Force 500 Points Which diagram shows a greater net force? Which direction will the box accelerate? Categories Net Force 500 Points Diagram A, box will accelerate to the right Categories Speed, Velocity, Acceleration 100 Points A motorcycle travels 40 mi/hr northwest. Is this an example of speed, velocity, or acceleration? Categories Speed, Velocity, Acceleration 100 Points Velocity Categories Speed, Velocity, Acceleration 200 Points An airplane traveling 200 km/hr slows as it approaches the ground. Is this an example of speed, velocity, or acceleration? Categories Speed, Velocity, Acceleration 200 Points Negative acceleration Categories Speed, Velocity, Acceleration 300 Points Which of the following do you need to find an object’s velocity? A. Distance and Time B. Distance, Mass, and Time C. Distance, Time, and Direction Categories Speed, Velocity, Acceleration 300 Points C. Distance, Time, and Direction Categories Speed, Velocity, Acceleration 400 Points What is acceleration? (Give the full definition.) Categories Speed, Velocity, Acceleration 400 Points Acceleration is a change in speed, direction, and/or both. Categories Speed, Velocity, Acceleration 500 Points What does this picture illustrate? Speed, Velocity, or Acceleration? Explain. Categories Speed, Velocity, Acceleration 500 Points Acceleration; the jumper is changing direction and possibly speed Categories Graphs 100 Points Describe the object’s motion in the distance vs time graph. Categories Graphs 100 Points Constant Speed Categories Graphs 200 Points Who is traveling the fastest? Categories Graphs 200 Points Biker, steeper slope Categories Graphs 300 Points What does the horizontal line represent in the distance vs time graph? Categories Graphs 300 Points Object is at rest, no motion Categories Graphs 400 Points Between which 2 points is the bus slowing down? Categories Graphs 400 Points B and C Categories Graphs 500 Points Between which 2 points does the bus come to a stop? Categories Graphs 500 Points C and D Categories Newton’s Laws of Motion 100 Points Newton’s 1st Law of Motion is also known as the law of ___ A. Action-Reaction B. Inertia C. Force and Acceleration Categories Newton’s Laws of Motion 100 Points Inertia Categories Newton’s Laws of Motion 200 Points Which law of motion (1,2 or 3) does the picture represent? Why? Categories Newton’s Laws of Motion 200 Points 3rd law, air coming out=action; balloon going in opposite direction=reaction Categories Newton’s Laws of Motion 300 Points When a car suddenly comes to a stop, a lunch bag lying in the back seat will move forward. Why? Categories Newton’s Laws of Motion 300 Points The lunch bag’s inertia will cause it to continue moving. Categories Newton’s Laws of Motion 400 Points How much force is needed to accelerate a 6 kg box at a rate of 0.5 m/s2? Force = mass x acceleration Categories Newton’s Laws of Motion 400 Points Net Force = 3 Newtons Categories Newton’s Laws of Motion 500 Points If a force of 25 Newtons is applied to all 3 of the objects below, which one will have the most acceleration? Why? Object Mass Object X 36 kg Object Y 21 kg Object Z 44 kg Categories Newton’s Laws of Motion 500 Points Object Y, least mass Categories