PDF-Mass, Weight, Gravity, and Other Topics

Uncovering Student Ideas in Physical Science 44 The Pendulum Lengthen the string B Shorten the string C Change to a heavier bob D Change to a lighter bob Pull the bob back farther F Don146t. Mr. McMartin. Beta Pod Science. Question:. Have you ever seen a video of astronauts on the moon? They bounce around like beach balls even though they wear big, bulky spacesuits. Why is leaping on the moon easier than leaping on earth?. B. . Energy . change is understood in terms of forces--pushes or pulls. . C. Some forces act through physical . contact . while others act at a distance.. Big Idea 13 : Forces and Changes in Motion. Benchmark Number . Big Science: Big Telescopes. Jodrell Bank Discovery Centre. Contents. Part 1: Gravity on Earth. Mass or weight?. The strength of Earth’s gravity. Part 2: Big Telescopes. How do we see space?. Part 3: Gravity in Space. . Gia. . Dvali. . . . CERN Theory Division . & Max Planck Institute for Physics . Danielle DelVillano, Pharm.D.. Objectives. Define density, specific gravity, and specific volume and determine each through appropriate calculations. Apply specific gravity correctly in converting weight to volume and volume to weight. Bell work. 1. ..  Which is generated when a bar magnet is moved through a wire coil?. A. electric current. B. gravitational field. C. thermal energy. . D. solar energy. Bell work. 1. ..  Which is generated when a bar magnet is moved through a wire coil?. EQ: What changes an object’s motion?. Friction and Gravity. What happens when you jump on a sled on the side of a snow-covered hill?. What happens at the bottom of the hill?. Friction and Gravity. Why does the sled’s motion change on the side of the hill and then again at the bottom?. APK. (Accessing Prior Knowledge): . How would you define the terms claim, evidence, and reasoning?. What do the terms claim, evidence, and reasoning make you think of?. Claim – a statement that answers a question. EQ: What changes an object’s motion?. Friction and Gravity. What happens when you jump on a sled on the side of a snow-covered hill?. What happens at the bottom of the hill?. Friction and Gravity. Why does the sled’s motion change on the side of the hill and then again at the bottom?. Uniform Objects. C of M is located in the center of the object. Calculating the Position of the Center of . Gravity or Center of Mass. Calculating the Position of the Center of . Gravity or Center of Mass. On the Giant Drop on the Gold Coast, passengers fall 120 . metres. (39 . storeys. ) in 5 seconds, reaching speeds up to 135 km/h! . A . magnetic braking system stops them just before they hit the ground. . What determines whether an object will rotate when a force acts on it? . Why doesn’t the Leaning Tower of Pisa rotate and topple over? . What maneuvers does a falling cat make to land on its feet? . Centre of gravity. Known as centre of mass. The centre of mass of an object is the point where the whole of the object is assumed to be concentrated. Refers to masses or weights. The . centre of gravity . PES 1000 – Physics in Everyday Life. Weight and Apparent Weight. Stationary weight: How do we sense weight while we stand motionless?. We sense the . pressure from the normal force . between our feet and the ground that is keeping us from falling through it..