Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Conceptual Physics Chapter 7
Test Description: Physics
Instructions: Answer all questions to get your test result.
1) A force is always part of a(n) ______________that involves another force.
A
opposite
B
object
C
direction
D
mutual action
2) Define interaction
A
the rate of change of velocity per unit of time.
B
a quantity or aggregate of matter usually of considerable size
C
a mutual action between one thing and another
D
strength or energy as an attribute of physical action or movement.
3) Whenever one object exerts a force on a second object, the second object always exerts the same amount of force back on the first object.
A
True
B
False
4) In order to make a cart move forward, a horse must pull harder on the cart than the cart pulls on the horse.
A
true
B
false
5) Is the following sentence true or false? It doesn’t matter which force we call action and which we call reaction.
A
true
B
false
6) Is the following sentence true or false? In every interaction, the forces always occur in pairs.
A
false
B
true
7) A boulder falls off a cliff. What are the two interacting objects?
A
The boulder and the earth
B
the boulder and the air
8) As a car moves along a road, the tires of the car push backward against the road. What is the reaction?
A
The road pushes forward against the tires.
B
The car stops
C
The car moves
9) Is the following sentence true or false? If you drop a pencil, the pencil pulls Earth upward with a much smaller force than that with which Earth pulls the pencil downward.
A
False
B
True
10) When a boulder falls off a cliff toward the ground, Earth accelerates toward the boulder. Which of the following that explains why we don’t sense this acceleration.
A
The boulder’s pull on Earth is much smaller than Earth’s pull on the boulder.
B
Earth’s huge mass causes its acceleration to be infinitesimally small.
11) Name the three factors that you must consider in order to understand why a cannonball moves much faster than the cannon when the cannonball is shot from the cannon.
A
Acceleration, Friction, Mass
B
Friction, Mass, Force
C
Weight, Mass, Friction
D
Force, Mass, Acceleration
12) Is the following sentence true or false? A rocket is propelled by the impact of exhaust gases against the atmosphere.
A
False
B
True
13) Is the following sentence true or false? The trillions and trillions of interatomic forces that hold a baseball together do play a role in accelerating the ball.
A
false
B
true
14) Is the following sentence true or false? If the action–reaction forces are internal to a system, then the forces cancel and the system does not accelerate.
A
true
B
false
15) Is the following sentence true or false? You cannot hit a wall any harder than the wall can hit you back.
A
true
B
false
16) Whenever an object exerts a force on another object, the second object exerts a force of the same magnitude, but in the opposite direction to that of the first object.
A
always false
B
sometimes true
C
always true
17) A woman weighing 450N sits on the floor. She exerts a force on the floor of
A
45N
B
225N
C
450N
D
900N
18) Forces always occur
A
in triplets
B
when velocities are constant
C
as single quantities
D
in pairs
19) A 60-kg person on in-line skates pushes against a wall with a force of 30 N and recoils. What acceleration does that person experience?
A
2 m/sec squared
B
.5 m/sec squared
C
180 m/sec squared
20) An unfortunate bug splatters against the windshield of a moving car. Compared to the force of the car on the bug, the amount of force of the bug on the car is
A
smaller
B
larger
C
the same
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?