Physics Retest Review

Which of the following is NOT an example of unbalanced forces?

• a turning car

• a car breaking to a stop

• a car traveling 60 mph constantly

• a car accelerating down a hill

Tags

NGSS.MS-PS2-2

Which of the following is NOT an example of balanced forces?

• a runner moving at a constant speed of 4 m/s

• a runner waiting at the starting line of a race

• a runner slowing down to a stop at the finish line

• a runner jogging in a straight line

Unbalanced forces result in which of the following?

• acceleration

• constant velocity

• constant speed & direction

• inertia

Tags

NGSS.MS-PS2-2

What occurs if you increase the Net Force of an accelerating object?

• the object decreases speed

• the object increases speed

• the object's speed in unchanged

• the object moves at a constant speed

Tags

NGSS.MS-PS2-2

What is the difference between speed and velocity?

• speed is a change in velocity

• speed is velocity with a direction

• speed is no change in velocity

• velocity is speed with a direction

Which of the following correctly describes the motion?

• an object at rest

• an object at constant speed

• an object accelerating

• an object with changing velocity

What is the average speed of the object in this graph?

• 20 m/s

• 8 m/s

• 2.5 m/s

• 0.4 m/s

Tags

NGSS.MS-PS3-1

If the same force is applied, which car will accelerate more quickly?

• a car with a smaller mass

• a car with a bigger mass

What acceleration results from 25N of force being applied to a 5kg ball?

• 125 m/s²

• 0.2 m/s²

• 20 m/s²

• 5 m/s²

Tags

NGSS.MS-PS2-2

A 0.5 kg football experiences a 16 m/s² acceleration when thrown. What force was applied on the football?

• 32 N

• 8 N

• 15.5 N

• 0.04 N

Tags

NGSS.MS-PS2-2