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Physics/Chemistry
Test Description: Newton's 1st and 2nd laws.
Instructions: Answer all questions to get your test result.
1) A book is in a state of rest on a table. What condition would allow the book to continue in its state of rest?
A
an absence of gravity
B
a force pulling the table
C
an absence of external forces
D
a force lifting the table
2) A cannonball is shot from a cannon. What will eventually happen to the cannonball\'s motion?
A
External forces will cause the cannonball to orbit Earth.
B
External forces will cause the cannonball to continue in its state of motion.
C
External forces will cause the cannonball to come to rest.
D
External forces will cause the cannonball to maintain constant velocity.
3) A ball is thrown through the air. What condition(s) would enable the ball to continue in its state of motion?
A
a tailwind
B
no air resistance or gravity
C
contact with another object
D
a headwind
4) A rock is dropped from a cliff. What will eventually happen to the rock\'s motion?
A
Friction will cause the rock to continue in its state of motion.
B
The rock will continue falling until Earth exerts a contact force on the rock.
C
Gravity will cause the rock to slow down before it reaches Earth.
D
Air resistance will cause the rock to accelerate as it falls.
5) A deer is running at a velocity of 8 miles per hour northward. Which of the following best identifies a factor that may cause the deer\'s velocity to change?
A
another deer running along with the first deer
B
a change in the deer\'s direction
C
the sun setting as the deer runs
D
the deer continuing to run for an hour
6) Which statement best expresses Newton\'s first law of motion?
A
All objects resist changes to their states of motion.
B
For every action, there is an equal and opposite reaction.
C
The forces that cause objects to move will decrease over time.
D
Objects are constantly speeding up or slowing down.
7) A brick is accelerating at a rate of 12 m/s2. The brick\'s mass is 3 kg. What is the net force on the brick?
A
9 N
B
4 N
C
15 N
D
36 N
8) A box is accelerating at a rate of 2 m/s2. The net force on the box is 8 N. What is the box\'s mass?
A
6 kg
B
4 kg
C
16 kg
D
10 kg
9) Which statement best expresses Newton\'s second law of motion?
A
An object\'s acceleration is dependent upon friction and weight.
B
An object\'s acceleration is dependent upon mass and net force.
C
An object\'s acceleration is dependent upon air resistance and velocity.
D
An object\'s acceleration is dependent upon shape and gravity.
10) A ball has a mass of 5 kg. The net force on the ball is 5 N. What is the ball\'s acceleration?
A
0 m/s2
B
10 m/s2
C
25 m/s2
D
1 m/s2
*select an answer for all questions
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