Glencoe Science Level Green

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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