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20 QuestionsShow answers
Question 1
SURVEY
30 seconds
Q. An object at rest will _______ if no outside forces are applied.
answer choices
Stay at rest
Increase Velocity
Decrease Mass
Question 2
SURVEY
30 seconds
Q. Momentum is related to Newton's first law.
answer choices
True
False
Question 3
SURVEY
30 seconds
Q. A greater applied force is required to move an object with a greater mass than one with a smaller mass.
answer choices
True
False
Question 4
SURVEY
30 seconds
Q. The SI units for force are...
answer choices
Kilograms
Newtons
Meters per second
Pounds
Question 5
SURVEY
60 seconds
Q. If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first?
answer choices
the cannonball
the baseball
The balls land at the same time.
the ball with the larger volume
Question 6
SURVEY
60 seconds
Q. If an action force is a cue ball (white) hitting a billiard ball (various colors) when playing pool, then the reaction force is
answer choices
exerted on the table
exerted on all the other billiard balls.
not present
exerted by the billiard ball on the cue ball.
Question 7
SURVEY
60 seconds
Q. A crumpled piece of paper hits the ground before a flat sheet of paper because
answer choices
the acceleration of gravity is greater on the crumpled paper.
there is more air resistance against the flat paper.
the crumpled paper is more massive
the crumpled paper is less massive.
Question 8
SURVEY
60 seconds
Q. According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
answer choices
remain in motion.
eventually come to a stop.
change its momentum.
accelerate.
Question 9
SURVEY
60 seconds
Q. An ice skater at rest pushes against a sled at rest, causing both the skater and sled to move away from each other with different accelerations. This is an example best described by
answer choices
Newton’s first law of motion for objects at rest.
Newton’s first law of motion for objects in motion.
Newton’s second law of motion.
Newton’s third law of motion.
Question 10
SURVEY
60 seconds
Q. A sled sliding on a flat, icy surface with a constant velocity is best described by
answer choices
Newton’s first law of motion for objects at rest.
Newton’s first law of motion for objects in motion.
Newton’s second law of motion.
Newton’s third law of motion.
Question 11
SURVEY
60 seconds
Q. Which of the following explains the difference between speed and velocity?
answer choices
One has motion, and the other does not.
One has direction, and the other does not.
One involves time, and the other does not.
One involves acceleration, and the other does not.
Question 12
SURVEY
60 seconds
Q. The gravitational pull is greater between two objects that
answer choices
have greater masses.
have rougher surfaces.
are farther apart.
are moving at greater speed
Question 13
SURVEY
30 seconds
Q. Dividing the total distance traveled by the total time is how to calculate
answer choices
average speed.
average velocity.
average acceleration.
Question 14
SURVEY
60 seconds
Q. A hiker’s velocity begins at 1.8 m/s uphill and changes to 1.5 m/s uphill. How do you know that the hiker has a negative acceleration?
answer choices
His direction changed.
His direction was unchanged.
His speed increased.
His speed decreased.
Question 15
SURVEY
60 seconds
Q. How does Newton’s third law explain how a rocket takes off?
answer choices
The rocket’s acceleration is positive, while the gasses acceleration is negative but the direction is the same.
The rocket is at rest until ignition.
The hot gasses move in one direction, while the rocket moves in the opposite direction but with equal force.
Question 16
SURVEY
30 seconds
Q. Acceleration is caused by a force acting on a mass.
answer choices
Newton’s first law of motion
Newton’s second law of motion
Newton’s third law of motion
Question 17
SURVEY
30 seconds
Q. For a force on an object there is an equal and opposite force.
answer choices
Newton’s first law of motion
Newton’s second law of motion
Newton’s third law of motion
Question 18
SURVEY
30 seconds
Q. Without any force to change it, an object at rest stays at rest and an object in motion stays in motion
answer choices
Newton’s first law of motion
Newton’s second law of motion
Newton’s third law of motion
Question 19
SURVEY
60 seconds
Q. If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
answer choices
The one with a mass of .78 kg will have the greatest acceleration.
The one with a mass of .52 kg will have the greatest acceleration.
They will both accelerate at the same rate.
Question 20
SURVEY
30 seconds
Q. A greater applied force is required to move an object with a greater mass than one with a smaller mass.