Physics 2nd sem rev part 1

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 unbalanced forces?

• a skateboard rolling down a ramp

• a skateboard popping up in the air, then back down

• a skateboard slowing down to a stop

• a motionless skateboard

Tags

NGSS.MS-PS2-2

Which of the following is an example of balanced forces?

• a box with a Net Force of 5N

• a box with a Net Force of -5N

• a box with a Net Force of 0N

• a box with a Net Force of 5N to the right

Tags

NGSS.HS-PS2-1

Unbalanced forces result in which of the following?

• acceleration

• constant velocity

• constant speed & direction

• inertia

Tags

NGSS.MS-PS2-2

Balanced forces CANNOT result in which of the following?

• no changes in motion

• changes in direction

• constant speed

• no motion

Tags

NGSS.MS-PS2-2

Which of the following wouldn't naturally result in acceleration?

• going uphill or downhill

• a flat stretch of unchanging road

• a change in surface friction

• a turn

Tags

NGSS.HS-PS2-1

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 occurs if you decrease the Net Force of an accelerating object (but Net Force remains > 0)?

• the object decreases its acceleration

• the object increases its acceleration

• the object's speed in unchanged

• the object moves at a constant speed

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

Tags

NGSS.HS-PS2-1

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