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Whitten Force Review

forces and motion test review

What is the formula for speed? speed= distance/time
If a baseball and a bowling ball are kicked, which one will speed up faster? bowling ball
What is the total of all forces acting on an object? Net force
When arrows on a force diagram are pointing opposite ways, you ____________ to find the net force. subtract
When arrows on a force diagram are pointing in the same direction, you _______________ to find the net force. add
What type of force never causes movement and always has a net force of zero? balanced force
What type of force always causes movement? unbalanced force
What is the strength of a force called? magnitude
What two things must a force contain? magnitude and direction
Which of Newton's laws states "an object at rest stays at rest, an object in motion stays in motion, unless a force acts on it"? Newton's first law
What is an object's tendency to stay in motion or stay at rest unless a force acts on it? Inertia
Which of Newton's laws states, "for every force there is an equal and opposite reaction"? Newton's third law
What changes when you go to space (weight or mass)? weight
What is the resistance to movement that occurs when two objects rub together? friction
When more force is applied, there will be ___________ friction. more
What force keeps us on Earth and attracts objects to each other? Gravity
On a motion graph, what represents an object is at rest? a flat line
What is the distance an object is from it's starting point? displacement
What is another word for a starting point? reference point
Created by: swhitten