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WorksheetsChapter 10 Practice Test
Total questions: 45
Worksheet time: 51mins
What happens when two forces act in the same direction?
They cancel each other out.
The stronger one prevails.
Their strengths are added.
Their sum divided by two is the total force.
The greater the mass of an object,
the easier the object starts moving.
the greater its inertia.
the more balanced it is.
the more space it takes up.
The force of gravity on a person or object on the surface of a planet is called
mass.
terminal velocity.
weight.
free fall.
The force that one surface exerts on another when the two rub against each other is called __________.
friction.
acceleration.
inertia
gravity.
The law of universal gravitation states that any two objects in the universe that have mass, without exception,
attract each other.
repel each other.
combine to provide a balanced force.
create friction.
Forces can be added together only if they are
acting on the same object
balanced forces.
unaffected by gravity.
substantial.
The rate at which velocity changes is called
instantaneous speed.
acceleration.
direction.
motion.
Which of the following is the SI unit of acceleration?
m/s
m2/s
m/s2
s2/m.
Which of these is an example of deceleration?
a bird taking off for flight
a roller coaster moving down a steep hill
a safe driver approaching a red light
an airplane following a straight flight path
According to Newton’s third law of motion, when a hammer strikes and exerts force on a nail, the nail
creates a friction with the hammer
disappears into the wood.
exerts an equal and opposite force on the hammer.
moves at a constant speed.
In the diagram, why don’t the two forces cancel out?
They are not Equal
They both act on the air
They both act on the balloon
They act on different objects
What force makes it less likely for a person to slip on a dry sidewalk than on an icy sidewall?
Gravity
Friction
Inertia
Momentum
In a game of tug-of-war, you pull on the rope with a force of 100 N to the right and your friend pulls on the rope with a force of 100 N to the left. What is the net force on the rope?
100 N to the right
0 N
100 N to the Left
1 N upward
A 5-kg cart accelerates at a rate of 2 m/s2. What is the net force acting on the cart?
10 N
7 N
2.5 N
3 N
Friction always acts
In the same direction as motion
Opposite the direction of motion
Perpendicular the direction of motion
At a 30-degree angle to the direction of the motion
The overall force on an object after all the forces are added together is called the (a) force.
One (a) is the force required to accelerate 1 kilogram of mass at 1 meter per second per second.
The force of gravity between you and Earth is greater than the force of gravity between you and a car because Earth has more (a) than the car.
According to Newton’s third law of motion, the strength of a reaction force is (a) the strength of the action force.
A golf ball (a) when either its speed or direction changes.
A speed-versus-time graph can be used to analyze the motion of an accelerating object.
True
False
The property of matter that resists a change in motion is called inertia.
True
False
According to Newton’s second law of motion, weight depends on an object’s mass and the net force acting on the object.
True
False
Friction depends on the types of surfaces involved and how hard the surfaces push together.
True
False
Mass and air resistance affect the gravitational attraction between objects.
True
False
What is the acceleration in the first ten seconds?
(15m/s - 0m/s) / 10s =
4 m/s2
1.5 m/s2
10 m/s2
0 m/s2
In which part of the graph is the object slowing down?
A
B
C
D
Karina is slowing down on her skateboard. She starts at a speed of 5.5m/s and slows to 1.0 m/s over a time of 3.0 seconds. What is Karina's acceleration?
-1.5 s2m
8.5 m/s
-2.5 m/s
4.5 km/s
