Unit 2 Final Exam Review

Newton's first law of motion is also called the law of ____.

• mass

• constant velocity

• inertia

• force

Which of the following would be a proper answer for a velocity question?

• 4 m/s North

• 4 km/m South

• 3 m/s

• 3 s/m South

Tags

NGSS.MS-PS3-1

A picnic table sits on the sidewalk behind the school building. If someone applies a force to the table that is stronger than the effect of gravity and frictional forces, then the object will accelerate. Which of Newton’s laws does this describe?

• Newton’s 1st law

• Newton’s 2nd law

• Newton’s 3rd law

Tags

NGSS.MS-PS2-2

The upward force exerted on an object falling through the air is

• terminal velocity

• air resistance

• momentum

• intertia

How can velocity be defined?

• speed at any one point in time.

• speed of an object in a certain direction

• traveling at the same rate of speed.

• distance traveled in a certain amount of time.

Which of the following objects has the greatest inertia?

• a computer sitting on a desk

• a woman running on a track

• a car parked on the side of the road

• a baseball during a pop fly

What is the tendency for an object to resist any change in motion?

• inertia

• net force

• acceleration

• balanced force

Which of the following is NOT used when calculating acceleration?

• final velocity

• mass

• initial velocity

• time

Which of the following do you calculate when you divide the total distance traveled by the total travel time?

• constant speed

• instantaneous speed

• average speed

• variable speed

A person sitting in a car at a stoplight. Their car is rear-ended by another car giving them whiplash. This is an example of

• Newton’s 3rd law

• Newton’s 1st law

• Newton’s 2nd law

Tags

NGSS.MS-PS2-1