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Forces And Newton's Laws
Test Description: Questions reviewing for Forces and Newton's Laws Test.
Instructions: Answer all questions to get your test result.
1) Objects in motion / at rest, remain in motion/ at rest, unless acted upon by an unbalanced force is which of Newton's 3 Laws?
A
2nd Law
B
3rd Law
C
1st Law
2) Acceleration of an object increases with increased force and decreases with increased mass is which of Newton's Laws?
A
1st Law
B
3rd Law
C
2nd Law
3) For every action there is an equal and opposite reaction is which of Newton's Laws?
A
3rd Law
B
1st Law
C
2nd Law
4) What is inertia?
A
A measure of how quickly an object’s velocity is changing
B
An object’s change in motion
C
A measure of how quickly something is moving
D
The tendency of objects to resist a change in motion
5) What is acceleration?
A
An object’s location
B
A measure of how quickly something is moving in a certain direction
C
A measure of how quickly something is moving
D
A measure of how quickly an object’s velocity is changing
6) If an equal force acts on each of the following objects, which will have the greatest acceleration?
A
a football
B
a soccer ball
C
a football
D
a golf ball
7) Overcoming an object’s inertia always requires a(n):
A
large mass
B
two of the above
C
unbalanced force
D
massive force
8) Describe the motion of a person not wearing a seat belt if the car stops suddenly.
A
The car will stop and the person will keep moving forward because of inertia.
B
The person and car will stop together.
C
The person will stop faster than the car because they are lighter.
D
The car will stop and the person will speed up.
9) An action force and its reaction force are:
A
equal in size and direction
B
different in size and in direction
C
equal in size and opposite in direction
D
different in size but in the same direction
10) How can you tell if the forces acting on an object are balanced?
A
C. The net force is zero.
B
A. Motion changes
C
B. Motion does not change
D
D. Both B and C
11) How can you tell if the forces acting on an object are unbalanced
A
A. The motion changes
B
D. Both B and C
C
C. The net force equals zero.
D
B. The motion does not change
12) A force that is applied to an object by a person or another object is ____________________________.
A
friction
B
normal force
C
gravity
D
applied force
13) The force that pulls all objects toward the center of Earth is ________________________.
A
gravity
B
friction
C
normal force
D
applied force
14) At the grocery store you fill up your cart with lots of groceries. How do you expect the amount of force needed to push your cart will change?
A
You will not need to change the amount of force.
B
You will have to use less force.
C
You will have to use more force.
15) An eagle soars through the air by pressing its wings downwards and the air in turn propels the bird upward. Which of Newton's Laws is this?
A
3rd Law
B
2nd Law
C
1st Law
16) A male giraffe has a large heavy head that is used to strike other males with tremendous force during confrontations. Which of Newton's Laws is this?
A
3rd Law
B
1st Law
C
2nd Law
17) A llama is running at a constant speed carrying packages on its back. When the llama makes an abrupt stop, the packages are sent into the air. Which of Newton's Laws is this?
A
3rd Law
B
1st Law
C
2nd Law
18) A baby rhino runs playfully at his mother and bumps into her. The baby falls backward from the impact. Which of Newton's Laws is this?
A
2nd Law
B
1st Law
C
3rd Law
19) A frog leaping upward off his lily pad is pulled downward by gravity and lands on another lily pad instead of continuing on in a straight line. Which of Newton's Laws is this?
A
2nd Law
B
3rd Law
C
1st Law
20) When Bobby, age 5, and his dad are skipping pebbles on the pond, the pebbles that Bobby's dad throws go farther and faster than his. Which of Newton's Laws is this?
A
3rd Law
B
2nd Law
C
1st Law
*select an answer for all questions
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