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Acceleration
Motion
Scientists
Gravity
Momentum
100
_____ is the rate in which the velocity of an object changes. a)velocity b)acceleration c)motion d)vector
What is acceleration
100
______ is the energy that a body or system has because of its motion. a)kinetic energy b)potential energy c)acceleration d)momentum
What is kinetic energy
100
______ believed that all planets except Earth orbit the Sun. a)Isaac Newton b)Tycho Brahe c)Nicholas Copernicus d)Kepler
What is Tycho Brahe
100
_______is the force that attracts a body toward the center of the earth, or toward any other physical body having mass. a)impulse b)force c)gravity d) acceleration
What is gravity
100
______ is the change of momentum of an object when the object is acted upon by a force. a)force b)impulse c)momentum d)velocity
What is impulse
200
_______ is found when you use the equation V(f)+V(i)X(t)/2 a)distance b)force c)acceleration d)momentum
What is distance
200
_____ used geometry and mathematics to discover his three laws of planetary motion. a)Isaac Newton b)Kepler c)Copernicus d)Tycho Brahe
What is Kepler
200
_____ is found by using the equation G*m/r^2. a)gravitational mass b)gravitational field c)period d)law of universal gravitation
What is gravitational field
200
_____ is the product of an object's mass and velocity. a) momentum b)force c)impulse d)velocity
What is momentum
300
______ is a quantity having direction as well as magnitude. a)acceleration b)velocity c)force d)vector
What is a vector
300
_______ is a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force. a)inertia b)velocity c)acceleration d)momentum
What is inertia
300
_____ used 30 year's worth of observations made by other scientists and concluded that the planets orbit the sun. a)Tycho Brahe b)Kepler c)Isaac Newton d)Einstein
What is Kepler
300
______ is the movement of an object around another object. a)revolution b)period c)gravitational mass d)gravity
What is revolution
300
p=m*v is the equation to find ______. a)momentum b)impulse c)velocity d)acceleration
What is momentum
400
_____ measures the distance and direction from a starting point to an ending point. a) displacement b)acceleration c)velocity d)momentum
What is displacement
400
_______ is the equation used to find centripetal acceleration. a)v^2/R b)m*v^2/r c)v*t d)m*v
What is v^2/R
400
_____ was the first astronomer to propose that the sun is the center of the solar system. a)Copernicus b)Isaac Newton c)Einstein d)Kepler
What is Copernicus
400
_______ states that any two bodies in the universe attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. a)Newton's first law b)Law of universal conservation c)Newton's second law d)Newton's third law
What is the law of universal conservation
400
_____ is the quantity of force times the time interval. a)acceleration b)impulse c)velocity d)momentum
What is impulse
500
_____ is the speed and direction of a moving body. a)inertia b)momentum c)velocity d)acceleration
What is velocity
500
When you multiply mass and the square of velocity and divide by the radius you find______. a)force b)centripetal force c) centripetal acceleration d)velocity
What is centripetal force
500
______ used huge instruments he built himself to record the exact positions of the planets and stars. a)Tycho Brahe b)Isaac Newton c)Copernicus d) Kepler
What is Tycho Brahe
500
The square of the orbital period of a planet is proportional to the cube of the semi-major axis describes _______. a)Kepler's third law b)Kepler's first law c)Law of universal gravitation d)Kepler's second law
What is Kepler's third law
500
_______ is the quantity of rotation of a body, which is the product of its moment of inertia and its angular velocity. a)angular momentum b)impulse c)momentum d)velocity
What is angular momentum