Chapter 11 Test - Force and Newton's Laws

1.

Multiple Choice

45 sec

1 pt

two or more forces whose effects cancel each other out and do not change the motion of an object

balanced force

force

center of mass

net force

2.

Multiple Choice

45 sec

1 pt

point in an object that moves as if all of the object's mass were concentrated at that point

inertia

center of mass

fricition

balanced force

3.

Multiple Choice

45 sec

1 pt

a push or a pull

balanced force

net force

force

unbalanced forces

4.

Multiple Choice

45 sec

1 pt

force that act to oppose sliding between two surfaces that are touching

center of mass

inertia

weight

friction

5.

Multiple Choice

45 sec

1 pt

combination of all forces acting on an object

net force

balanced force

unbalanced force

force

6.

Multiple Choice

45 sec

1 pt

states that if the net force acting on an object is zero, the object will remain at rest or move in a straight line with a constant speed

Newton's second law of motion

Newton's first law of motion

Newton's third law of motion

center of mass

7.

Multiple Choice

45 sec

1 pt

states that an object acted upon by a net force will accelerate in the direction of the force, and that the acceleration equals the net force divided by the object's mass

Newton's first law of motion

Newton's third law of motion

Newton's second law of motion

center of mass

8.

Multiple Choice

45 sec

1 pt

states that forces always act in equal but opposite pairs

Newton's first law of motion

Newton's second law of motion

center of mass

Newton's third law of motion

9.

Multiple Choice

45 sec

1 pt

two or more forces acting on an object that do not cancel, and cause the object to accelerate

unbalanced forces

balanced force

force

net force

10.

Multiple Choice

45 sec

1 pt

a measurement of force that depends on gravity; measured in newtons

mass

weight

inertia

net force

11.

Multiple Choice

45 sec

1 pt

amount of matter in an object

weight

inertia

mass

friction

12.

Multiple Choice

45 sec

1 pt

tendency of an object to resist a change in its motion

mass

weight

friction

inertia

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