The gravitational pull is greater between two objects that
have greater masses.
have rougher surfaces.
are farther apart.
are moving at greater speed
Q.2.
Which of the following explains the difference between speed and velocity?
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.
Q.3.
A sled sliding on a flat, icy surface with a constant velocity is best described by
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.
Q.4.
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
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.
Q.5.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
remain in motion.
eventually come to a stop.
change its momentum.
accelerate.
Q.6.
A crumpled piece of paper hits the ground before a flat sheet of paper because
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.
Q.7.
If an action force is a cue ball (white) hitting a billiard ball (various colors) when playing pool, then the reaction force is
exerted on the table
exerted on all the other billiard balls.
not present
exerted by the billiard ball on the cue ball.
Q.8.
If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first?
the cannonball
the baseball
The balls land at the same time.
the ball with the larger volume
Q.9.
The SI units for force are...
Kilograms
Newtons
Meters per second
Pounds
Q.10.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
True
False
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