Glencoe Science Level Blue

Chapter 19: Force and Newton's Laws

Force and Newton’s Laws

1
__________ is a force that resists motion between two surfaces that are in contact.
A)Resistance
B)Inertia
C)Friction
D)Acceleration
2
Which of the following types of friction keeps an object at rest?
A)mobile
B)static
C)rolling
D)sliding
3
The two forces of a force pair are called the __________ force and the __________ force.
A)mass, acceleration
B)increasing, decreasing
C)action, reaction
D)gravitational, accelerator
4
Friction always acts __________ the direction of motion of an object.
A)opposite to
B)at a 45° angle to
C)perpendicular to
D)in the same direction as
5
__________ measures the quantity of matter of an object.
A)Mass
B)Weight
C)Density
D)Net force
6
__________ measures an object's tendency to resist changing its motion.
A)Acceleration
B)Inertia
C)Gravity
D)Mass
7
A __________ is a push or a pull.
A)acceleration
B)motion
C)force
D)velocity
8
Forces that cancel each other are called __________ forces.
A)inactivated
B)null
C)balanced
D)neutral
9
You are moving a dresser that has a mass of 36 kg; its acceleration is 0.5 m/s2. What is the force being applied?
A)35.5 N
B)72 N
C)1.8 N
D)18 N
10
Which of the following is not an acceleration?
A)riding your bike straight down the street at a constant speed
B)slowing your bike ride so you can make it up a hill
C)riding your bike faster when you head down a hill
D)stopping your bike at an intersection
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