### Forces and Motion

ICP - Mr. Hobson

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Across
7.product of the mass of an object and the force of gravity
9.the acceleration of an object will ______ if the net force acting on that object doubles
10.the motion of a falling object after it is given an initial forward velocity (2 Words)
12.the tendency of an object to resist a change in its motion
14.attractive force that acts between any two masses
15.unit of force that causes a 1-kilogram mass to accelerate at a rate of 1 meter per second per second
16.Newton's law that says the state of motion of an object does not change as long as the net force acting on the object is zero (4 Words)
20.in vector addition, two forces acting in opposite directions are ______
21.product of an object's mass and its velocity
22.a push or a pull on an object
23.when the forces on an object are ______, the net force is zero
24.type of friction with a book laying on a desk
26.in vector addition, two forces acting in the same direction are _____ together
27.a force that opposes the motion of objects that touch as they move past each other
28.according to the law of _____ of momentum, if no net force acts on a system, then the total momentum of the system does not change
Down
1.SI unit for mass
2.type of friction between the hull of a moving boat and the water (2 Words)
3.constant velocity of a falling object when the force of air resistance equals the force of gravity (2 Words)
4.type of friction between the wheels of a moving bicycle and the road (2 Words)
5.type of friction working on the skates of a moving ice skater (2 Words)
6.a unit for acceleration (4 Words)
8.Newton's law that states whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object (4 Words)
11.the overall force acting on an object after all forces are combined (2 Words)
13.type of fluid friction acting on an airplane flying from Los Angeles to Chicago (2 Words)
17.net force acting on an object divided by the mass of the object
18.when the forces on an object are ______, the object accelerates
19.English scientist that introduced laws of motion in the 1600's (2 Words)
25.measure of the amount of matter an object contains

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