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7Sci Chapter 17 Sec2

Matter in Motion - What is a Force?

What is an example of balanced force? a porch swing hanging from the porch roof
What always causes change in speed, direction or both? unbalanced forces
What causes an object to start moving? unbalanced forces
When the net forces equal 0 N, what is it called? balanced
What best determines the net force when more than one force is acting on an object? a combination of all forces acting on an object
What best represents force? a push or pull acting on an object
What is the net force on an object when you combine a force of 10 N north with a force of 5 N south? 5 N north
What does a force need to be to produce change in motion? unbalanced force
How can an unbalanced force cause an object's motion to change? changing direction or speed, starting or stopping motion
What is the newton of the SI unit? force
What is being exerted on an object when a push or a pull is acting on any object? force
What is net force? the combination of all the forces acting on an object
When a batter in a baseball game hits the ball, the ball changes direction and moves. What changes have occured to the ball? unbalanced force
What is a unit for force? a newton
What is a change in motion caused by? a force
Are the forces on a kicked soccer ball balanced or unbalanced? Unbalanced
What is a balanced force? a combined force that does not cause movement
What is an unbalanced force? a combined force that causes something to move
Created by: ndmsteach