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Mass and Weight: Class Work. A woman weighs 580 N. What is her mass? Find the weight of a 2000 kg elephant. An astronaut has a mass of 85 kg. Calculate his weight on Earth and on the Earth’s moon (g. moon = 1.6 m/s2). Does his mass change when he goes from Earth to its moon?A car weighs 14500 N. What is its mass? Calculate the weight of a 4.5 ... Nov 12, 2010 · 57. It can be said that 1 kg equals 2.2 lb. What does this statement mean? What would be the proper way of making the comparison? It means that on Earth’s surface, the weight of 1 kg is equivalent to 2.2 lb. You should compare masses to masses and weights to weights.Thus 9.8 N equals 2.2 lb. 58. You toss a ball straight up into the air. a.

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If an object sinks, its weight is greater than the weight of fluid displaced, its weight is greater than the upthrust. Water has a density of ~1000 kg/m 3 and air has a density of ~1.2 kg/m 3 . If the fluid upthrust is greater or equal to the weight of the object, then the object rises or floats.
How much does a 2-kg block weigh on Earth? Result: 2 kg * 9.8 m/sec 2 = 19.6 newtons; How much does a 1-kg block weigh on Earth? Result: 1 kg * 9.8 m/sec 2 = 9.8 newtons; Bonus Question - answer without Interactive Physics. The value of gravity on the Moon is 1.67 m/sec 2 How much does a 4-kg block weigh on the Moon? Result: 4 kg * 1.67 m/sec 2 ... I have the kids sit in a big circle and give them each 1 or 2 objects that I have gathered from around the classroom. (I choose objects that can easily be ordered by length). I tell them that we are going to put all of these objects in order from shortest to longest. I start by putting one object down.

Spring scales measure forces. They determine the weight of an object. On the surface of the earth weight and mass are proportional to each other, w = mg, so the readout can easily be calibrated in units of force (N or lb) or in units of mass (kg).
Let's assume that the first object has a mass of 8 kg, while the second one weighs 4 kg. Decide how fast the objects are moving before the collision. For example, the first object may move at a speed of 10 m/s, while the second one remains stationary (speed = 0 m/s). Determine the final velocity of one of the objects. Desks, chairs, shelves and students are some things that are in a classroom that have the mass greater than 1 kilogram.

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An object has mass 1kg and weight 1 67 N on moon Calculate it's weight and mass on earth ( g=10 ms^-2) - Science - Gravitation
Jan 09, 2013 · Mass vs Weight. Mass is a measurement of how much matter, stuff or atoms are in an object. Weight is a measurement of how hard gravity is pulling on that object. Your mass is the same wherever you are - on Earth, on the moon, floating in space, because the amount you are made of doesn't change. Intermediate Write gram and kilogram on the board. Choose objects in the classroom and tells them, for example, that a paperclip has a mass of about 1 gram and that a book has a mass of about 1 kilogram. Advanced Display different objects and ask students to decide on the unit, gram or kilogram, they would use to measure the object.

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1 pound = 4.545 newtons 1 meter = 3.28 feet 1 mile = 1609 meters 1) How much would a 70.0-kg person weigh on Mercury? 2) How much would your 20.0-kg dog weigh on Neptune? 3) If Pete (mass = 90.0 kg) weighs himself and finds that he weighs 30.0 pounds, how far away from the surface of the earth is he?
3. A boy weighs 50 kg and is running 3 meters per second, what is his kinetic energy? KE = 1/2 * m * v 2 KE = 1/2 * 50 kg * (3 m/s) 2 KE = 225 J Interesting Facts about Kinetic Energy. If you double the mass of an object, you double the kinetic energy. If you double the speed of an object, the kinetic energy increases by four times. An object has mass (say 100 kg).. This makes it heavy enough to show a weight of "100 kg".

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0.75-kg piece of rope and begin tugging on it in opposite directions. If Taru pulls with a force of 16.0 N and the rope accelerates away from her at 1.25 m/s2, with what force is Reiko pulling? Identify Reiko’s direction as positive and the rope as the system. F net! F Rieko on rope \$ F Taru on rope! ma F Rieko on rope!ma " F Taru on rope! (0 ...
This PowerPoint is a great tool to use in your Year 2 mass lesson. It's ideal for expanding children's understanding of measurements and includes terms to define and describe mass, as well as a range of questions for your pupils to answer about mass. They must identify which objects have the biggest mass on the scale.&nbsp;The PowerPoint also includes helpful illustrations of the objects and ... Show that weight of an object on the moon is 1/6 of its weight on the earth. [Given : mass of earth = 5.98 x 10 24 kg, mass of moon = 7.36 x 10 22 kg, radius of earth = 6.37 x 10 6 m, radius of moon = 1.74 x 10 6 m]

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