Force and Motion

A student exits her home, walks to a friend's house, and then walks to a store. Using the route shown, what is the student's displacement for this trip?

• 1 block south

• 1 block north

• 6 blocks west

• 8 blocks east

Jeremy walked at an average rate of speed of 3 kilometers per hour (km/h). How far had Jeremy walked in 30 minutes?

• 0.1 km

• 1.5 km

• 10 km

• 90 km

At position T, the car has moved approximately 185 meters. What is the point of reference used?

• Point Q

• Point R

• Point S

• Point U

Tags

NGSS.MS-PS3-1

The drawing represents two cars as seen from the illustration. Both cars are traveling at 55 mph in the same direction. How would the relative motion of car A appear to a person traveling in car B?

• not moving

• moving faster

• moving slower

• going backward

Tags

NGSS.MS-PS2-1

Two students are riding bicycles. The diagram shows their relative rates of motion. What is the westward rate of motion of student 1 relative to the ground?

• 8 km/hr

• 12 km/hr

• 20 km/hr

• 32 km/hr

The displacement graph represents the motion of a cart along a straight line. During which interval is the cart at rest?

• interval AB

• interval BC

• interval CD

• interval DE

Which statement is true about a moving body?

• A moving body must undergo a change in velocity.

• A moving body must undergo a change in position.

• A moving body must undergo a change in direction.

• A moving body must undergo a change in acceleration.

What causes a ship carrying heavy cargo to take more time to come to a stop than an identical ship carrying lighter cargo if both ships are traveling at the same speed?

• increased friction

• greater momentum

• greater acceleration

• more constant velocity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Which of the following is an example of a vector quantity (magnitude and direction)?

• temperature

• volume

• velocity

• mass

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A car travels at 75 km/h for 5 hours. How far did the car travel?

Hint: v = d/t

• 15 km

• 75 km

• 80 km

• 375 km