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A student swings a ball attached to a string to model the moon's orbit around the Earth. What force does the string represent?
stay in orbit
gravity
the force of gravity acting on the student
6.3 N/kg
continue at a constant speed in a straight line through space
mass is measured in grams with a triple-beam balance
curved, elliptical path around the sun
decrease the distance between objects and increase the mass of the objects
If a 3.1 kg textbook weighs 19.6 N on Venus, then what is Venus' strength of gravity? (w=mg)
stay in orbit
gravity
the force of gravity acting on the student
6.3 N/kg
continue at a constant speed in a straight line through space
mass is measured in grams with a triple-beam balance
curved, elliptical path around the sun
decrease the distance between objects and increase the mass of the objects
Gravity causes bodies in the solar system to
stay in orbit
gravity
the force of gravity acting on the student
6.3 N/kg
continue at a constant speed in a straight line through space
mass is measured in grams with a triple-beam balance
curved, elliptical path around the sun
decrease the distance between objects and increase the mass of the objects
A student stands on a scale, and the scale reads 85 pounds. What is being measured by the scale?
stay in orbit
gravity
the force of gravity acting on the student
6.3 N/kg
continue at a constant speed in a straight line through space
mass is measured in grams with a triple-beam balance
curved, elliptical path around the sun
decrease the distance between objects and increase the mass of the objects
Which of the following is true about mass?
stay in orbit
gravity
the force of gravity acting on the student
6.3 N/kg
continue at a constant speed in a straight line through space
mass is measured in grams with a triple-beam balance
curved, elliptical path around the sun
decrease the distance between objects and increase the mass of the objects
What is the best way to increase gravitational attraction between two objects?
stay in orbit
gravity
the force of gravity acting on the student
6.3 N/kg
continue at a constant speed in a straight line through space
mass is measured in grams with a triple-beam balance
curved, elliptical path around the sun
decrease the distance between objects and increase the mass of the objects
Because of the pull of gravity of the sun on the moving planets, they follow
stay in orbit
gravity
the force of gravity acting on the student
6.3 N/kg
continue at a constant speed in a straight line through space
mass is measured in grams with a triple-beam balance
curved, elliptical path around the sun
decrease the distance between objects and increase the mass of the objects
If there were no gravitational forces acting on the moon, the moon would
stay in orbit
gravity
the force of gravity acting on the student
6.3 N/kg
continue at a constant speed in a straight line through space
mass is measured in grams with a triple-beam balance
curved, elliptical path around the sun
decrease the distance between objects and increase the mass of the objects
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