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After throwing a basketball through the net, Anna observed the ball as it hit the ground. Which is most likely responsible for the ball hitting the ground?
A. friction B. gravity C. mass D. speed
How fast was a train moving if it traveled 100 meters in 10 seconds? (speed = distance ÷ time)
A. 1 meter per second
B. 10 meters per second
C. 90 meters per second
D. 100 meters per second
B. 10 meters per second
Which item will require the most force to move?
A. An empty wagon
B. A wagon full of bricks
C. A wagon full of apples
D. A wagon full of feathers
B. A wagon full of bricks
If a car travels 400m in 20 seconds how fast is it going?
S = d/t s = 400m/ 20 sec = 20m/s
How far can you get away from your little brother with the squirt gun filled with paint if you can travel at 3 m/s and you have 15s before he sees you?
D= s * t d = 3m/s * 15s = 45m
The chart below shows four identical wagons loaded with different amounts of bricks.
Wagon W two pounds of bricks
Wagon X three pounds of bricks
Wagon Y four pounds of bricks
Wagon Z five pounds of bricks
If the same amount of effort is applied to all four identical wagons, why would Wagon W move farthest?
A. It has the least amount of mass, affecting its motion.
B. It has the least amount of speed, affecting its motion.
C. It has the greatest amount of gravity, affecting its motion.
D. It has the greatest amount of friction, affecting its motion.
A. It has the least amount of mass, affecting its motion.
A 30 gram ball rolls along a flat surface at a constant speed in the same direction over 4 meters in 20 seconds. Which is the speed of the ball? (speed = distance ÷ time)
A. 0.2 meters per second
B. 0.5 meters per second
C. 20 meters per second
D. 80 meters per second
A. 0.2 meters per second
Macie’s job at the bookstore requires her to move several heavy boxes of books. How can Macie use the least amount of force to move the boxes?
A. by packing the books in larger boxes
B. by packing the books in smaller boxes
C. by stacking the boxes and pulling them out of the storage room
D. by stacking the boxes and pushing them out of the storage room
B. by packing the books in smaller boxes
If you move 50 meters in 10 seconds, what is your speed?
S = d/t s =50m/10s = 5m/s
The gravitational interaction is caused by
a. Earth’s magnetic field.
b. Earth’s rotation
c. Earth’s atmosphere.
d. The interaction between two masses. Gravitational interactions occur between any pair of masses.
d. The interaction between two masses. Gravitational interactions occur between any pair of masses.
Chris climbs onto a skateboard ramp halfway between the top and the bottom of the ramp. Because gravity acts on Chris, which is most likely to happen?
A. He won’t move.
B. He will roll up the ramp.
C. He will roll down the ramp.
D. He will float above the ramp.
C. He will roll down the ramp.
Object Y traveled 700 meters in 10 seconds. Object Z traveled 500 meters in 10 seconds. How much faster was Object Y than Object Z? (speed = distance ÷ time) A. 2 meters per second
B. 20 meters per second
C. 40 meters per second
D. 60 meters per second
B. 20 meters per second
John pushed two identical toy cars across the same flat smooth floor. Why did both cars travel the same distance?
A. because he pushed the cars at the same time
B. because he pushed the cars at different times
C. because he applied different forces to the two cars
D. because he applied the same force to each of the two cars
D. because he applied the same force to each of the two cars
You arrive in my class 45 seconds after leaving math which is 90 meters away. How fast did you travel?
S = d/t s = 90m/45s = 2m/s
Two apples are sitting near each other on the ground. There is a gravitational interaction
a. between the two apples that keeps them apart.
b. between the two apples that causes them to move toward each other.
c. between the two apples, but you don’t notice it because it is so small.
d. only between the earth and each apple. The apples do not have a gravitational interaction between them.
d. only between the earth and each apple. The apples do not have a gravitational interaction between them.
Katie was pulling a sled with her puppy in it. Katie’s sister then got into the sled with the puppy. How would the sled’s speed most likely change after Katie’s sister got into the sled?
A. The speed would increase due to the change in mass.
B. The speed would decrease due to the change in mass.
C. The speed would increase due to the change in friction.
D. The speed would decrease due to the change in gravity.
B. The speed would decrease due to the change in mass.
Jose was driving to New York City. He traveled 100 miles in the first hour of the trip and 20 miles in the last hour of his trip. Which can we say about Jose’s drive? (speed = distance ÷ time)
A. Jose drove less than 120 miles.
B. Jose drove faster the first hour of his drive.
C. Jose drove slower the first hour of his drive.
D. Jose drove the same speed for the entire drive.
B. Jose drove faster the first hour of his drive.
How will the force needed to move an object be affected if the mass of the object changes from 100 kilograms to 200 kilograms?
A. The force needed to move the object would be tripled.
B. The force needed to move the object would be doubled.
C. The force needed to move the object would remain the same.
D. The force needed to move the object would be reduced by half.
B. The force needed to move the object would be doubled.
It takes Serina 0.25 hours to drive to school. Her route is 16 km long. What is Serina’s average speed on her drive to school?
S = d/t s = 16km/0.25h = 64km/h
Imagine you throw a ball up in the air. Assume there is no drag interaction. As the ball moves upward there
a. is a downward force exerted on the ball by the Earth.
b. is an upward force exerted on the ball by the Earth. c. is the upward force from the hand even though are no longer touching.
d. are no forces acting on the ball.
a. is a downward force exerted on the ball by the Earth.
What has the greatest impact on a free-falling object? A. friction
B. gravity
C. inertia
D. momentum
B. gravity
Jessica drives for 3 hours. She drives 50 miles per hour for the first hour, and 60 miles per hour for the remaining two hours. How far did Jessica travel? (speed = distance ÷ time)
A. 50 miles
B. 60 miles
C. 110 miles
D. 170 miles
D. 170 miles
. This table shows the mass of four toy cars. Car Mass W 10 g
X 20 g
Y 30 g
Z 40 g
Which car will roll the farthest when all cars are pushed at the same time with the same amount of force?
A. Car W
B. Car X
C. Car Y
D. Car Z
A. Car W
How much time will it take for a bug to travel 5 meters across the floor if it is traveling at 1 m/s?
5m/1m/s = 5s
Which one of newton's laws state: With every action there is an equal and opposite reaction.
A: 1st
b: 2nd
c:3rd
3rd