Force and Motion SS Review 2 Part 2

Alesia is taking a long ride on her bicycle. The graph shows how far she is from home at different times during her ride.

What was Alesia doing from hour 3 to hour 4 of the trip?

• moving closer to home

• staying in one place

• riding up a long hill

• moving farther from home

Tags

NGSS.MS-PS3-1

It takes Alessandra 20 minutes to walk to school every day. If she walks at a rate of 3 km/hour, how far does she walk?

• 1 km

• 3 km

• 9 km

• 60 km

Sam is building a car to race down a ramp. The car weighs 100 grams. Which could Sam do to increase the speed of the car?

• increase the mass of the car

• decrease the mass of the car

• increase the friction on the ramp

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Pam ran down the sidewalk to school with her empty backpack. After school Pam’s backpack was loaded with books. Which best describes the force required to carry her book bag home?

• It took the same amount of force to carry the loaded book bag home.

• It took a greater amount of force to carry the loaded book bag home.

• It took a lesser amount of force to carry the loaded book bag home.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

When added to a smooth road surface, which would create the greatest amount of friction for a car?

• ice

• rain

• sand

Carey left a bowling ball and kickball outside on a windy day. Which best explains why the kickball moved but the bowling ball did not?

• The kickball has less mass so it was easier to move.

• The force of gravity acting on the bowling ball is greater.

• The mass of the kickball is greater so it is easier to move.

Tags

NGSS.MS-PS2-2

How does the mass of an object affect acceleration?

• The greater the mass of an object, the greater the force needed to accelerate the object.

• The greater the mass of an object, the smaller the force needed to accelerate the object.

• The smaller the mass of an object, the greater the force needed to decelerate the object.

Tags

NGSS.MS-PS2-2

Crystal recorded the distance and time she and Lisa drove their race cars.

Which best describes the difference in the motion of the two race cars?

(speed = distance ÷ time)

• Crystal’s race car is decreasing speed, and Lisa’s race car is increasing speed.

• Crystal’s race car is increasing speed, and Lisa’s race car is decreasing speed.

• Crystal’s race car has not moved, and Lisa’s race car is moving forward.

Tags

NGSS.MS-PS3-1

The graphs below show two delivery trucks traveling on the same highway.

Which best describes the speed of the two trucks?

• Truck A is slowing down, and Truck B is speeding up.

• Truck A is speeding up, and Truck B is not changing speed.

• Truck A is not changing speed, and Truck B is slowing down.

Tags

NGSS.MS-PS3-1

Which will most likely happen to a kite in the air if the wind stops blowing?

• The kite will go higher due to gravity.

• The kite will fall to the ground due to gravity.

• The kite will float away due to decreased wind speed.

• The kite will change direction due to decreased wind speed.