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WorksheetsForces and Transportation Assessment Unit 5
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Three students are in a race. The students’ starting points and the finish line are shown in the following diagram. Which runner will win the race?
a)
Runner A will win the race.
b)
Runner B will win the race.
c)
Runner C will win the race.
d)
It will be a three-way tie.
2.
Velocity and speed are both measurements describing an object’s motion. What is a difference between velocity and speed?
a)
Speed depends on acceleration, but velocity does not.
b)
Speed does not depend on direction, but velocity does.
c)
Speed depends on velocity, but velocity does not depend on speed.
d)
Velocity depends on only friction, but speed depends on only gravity.
3.
Three people are traveling in their cars heading toward the supermarket. All three cars left at the same time and travel at constant speeds. The velocity and distance of each car are indicated in the following diagram. Which car will reach the supermarket first?
a)
Car A will reach the supermarket first.
b)
Car B will reach the supermarket first.
c)
Car C will reach the supermarket first.
d)
All the cars will reach the supermarket at the same time.
4.
Whitney walks from her house to school, a distance of 1 mi. It takes her 14 min. How long will it take Whitney to walk home from school if, on her way, she walks at a rate of 1 mi/7 min?
a)
7 min
b)
14 min
c)
21 min
d)
28 min
5.
A train travels 200 km in the same direction in 2 h. What is this train’s velocity?
a)
2 km/h
b)
100 km/h
c)
200 km/h
d)
400 km/h
6.
Three trains, all traveling from different directions, are heading toward the same destination. All three trains left at the same time and travel at constant speeds. The velocity and distance from the destination of each train are indicated in the following diagram. Which train will reach the destination first?
a)
Train A will reach the destination first.
b)
Train B will reach the destination first.
c)
Train C will reach the destination first.
d)
All three trains will reach the destination at the same time.
7.
Ashwath walked for 3 hours (h) at a speed of 10 kilometers per hour (km/h). How far did Ashwath walk?
a)
3 km
b)
10 km
c)
30 km
d)
300 km
8.
Four people are traveling in cars along a highway. The table shows the distances of their trips and the time it takes them to travel that distance. Which car traveled at the fastest average speed?
a)
Car 1
b)
Car 2
c)
Car 3
d)
Car 4
9.
A car traveling down a road approaches a red light and stops. What causes the car’s speed to change?
a)
a decrease in drag
b)
an increase in drag
c)
a decrease in friction
d)
an increase in friction
10.
Mrs. Panetta’s science class was studying motion. Four students timed a tennis ball as it rolled across the floor. The data table shows the results of their experiment. Which students had tennis balls that rolled at the same speed?
a)
Alicia and Alex
b)
Alex and Lucy
c)
Lucy and Jorge
d)
Alicia and Jorge
11.
An airplane flying through the air decreases its speed. Which force on the plane increased?
a)
drag
b)
lift
c)
thrust
d)
weight
12.
A ball rolling across the ground has an average speed of 15 meters per second (m/s) and travels 5 meters (m). Which calculation should be used to find the time that the ball rolls?
a)
15 m/s + 5 m
b)
15 m/s - 5 m
c)
5 m ÷ 15 m/s
d)
5 m × 15 m/s
13.
A pitcher throws a baseball a distance of 18 meters (m), and the ball takes 3 seconds (s) to reach the batter. How could you determine the ball’s average speed?
a)
18 m + 3 s
b)
18 m - 3 s
c)
18 m ÷ 3 s
d)
18 m x 3 s
14.
A boy designs and makes a model rocket. When he tests it, the rocket does not rise very far into the air. What could the boy do to solve the problem?
a)
Increase the upward thrust on the rocket.
b)
Increase the downward friction on the rocket.
c)
Decrease the upward gravity on the rocket.
d)
Decrease the downward buoyancy on the rocket.
15.
A company decides to design and produce a new type of ice skate. Which of the following should the company do first?
a)
evaluate the new skate design
b)
build a prototype of the skates
c)
identify a need for new skates
d)
test the design of their new skates
16.
Students in a class are designing a model amusement park ride. A force starts a cart moving. The cart then needs to slide along a rail and hit against a barrier. How could they prevent damage to the cart when it hits the barrier?
a)
Increase the acceleration of the cart as it approaches the barrier.
b)
Make the barrier out of foam so that it will absorb the force of the cart slowly.
c)
Make the rail smoother to change the amount of friction between the cart and rail.
d)
Decrease the length of the rail so that the cart has less time for its speed to increase.
17.
Tara is designing a go-cart for a race. If the cart hits an object, she wants to be sure the force does not damage the cart. Which change would be the MOST help in solving this problem?
a)
Put extra weight in the cart.
b)
Put sandpaper around the cart’s tires.
c)
Make sure the bottom of the cart is smooth.
d)
Place rubber around the outside of the cart.
18.
A bus driving on a road in winter drives onto an icy spot and starts to slide. A decrease in which of the following forces caused the bus to slide?
a)
buoyancy
b)
friction
c)
gravity
d)
thrust
19.
The speed of which of the following objects is MOST affected by thrust?
a)
a rock falling off a high cliff
b)
an airplane flying through the air
c)
a sailboat gliding across the water
d)
a marble rolling along the ground
20.
A bobsled glides across the ice and gradually begins to slow down. Which force acts opposite to the bobsled's motion?
a)
friction
b)
gravity
c)
lift
d)
weight
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