WorksheetsReview Unit 4
Total questions: 15
Worksheet time: 10mins
Name
Class
Date
1.
The archer above shoots an arrow toward a target. Which object has the GREATEST kinetic energy?
a)
archer
b)
bow
c)
arrow
d)
target
2.
An orange, a grapefruit, and a watermelon all fall off a windowsill at the same time. The fruits all hit the ground at the same time because each fruit has the same —
a)
acceleration
b)
inertia
c)
size
d)
mass
3.
What is a likely explanation of Kara's motion between the second and third hour of herride?
a)
Kara and her family are racing to see who is the fastest rider.
b)
Kara and her family stop to have lunch.
c)
Kara is giving her younger brother a ride.
d)
Kara is riding slowly to enjoy all the exhibits.
4.
Carly constructed a ramp by placing a 1-meter long board on a stack of 6 blocks as shown in the diagram. Using probeware, she measured the speed of the car as it rolled down the ramp.Which conclusion BEST describes what Carly observed?
a)
The cart at position 1 has the least amount of potential energy and the lowest speed.
b)
The cart at position 2 has the greatest amount of kinetic energy and the highest speed.
c)
The cart at position 1 has the highest amount of kinetic energy and the lowest speed.
d)
The cart at position 3 has thelowest amount of potential energyand the highest speed.
5.
A student walks for 2.0 hours and travels 5.0 km. What is the average speed of the student?
a)
2.0 km/h
b)
2.5 km/h
c)
3.0 km/h
d)
5.0 km/h
6.
When a car is on an icy roadway, it is difficult to control its motion. Which statement BEST explains this phenomenon?
a)
The spinning force of the tires pushes the car in the opposite direction.
b)
The input force exceeds the output force.
c)
The ice supplies an unbalanced force to the car's tires.
d)
The icy road does not supply enough friction to the car's tires.
7.
The diagram shows a 50 N load being lifted with a movable pulley. To raise the load one meter, how much upward force must be exerted on the rope?
a)
10 N
b)
15 N
c)
25 N
d)
50 N
8.
Students in a physics class measured the speed of a steel ball as it rolled down a long ramp. The graph shown above is a record of their measurements.What does the graph tell you about the speed of the steel ball?
a)
The ball moved down the ramp at a constant speed.
b)
The ball started out fast, then slowed down, then increased its speed again.
c)
The ball did not move.
d)
The ball started slowly then began to move faster down the ramp.
9.
Two identically sized and shaped balls are dropped from a height of 50 feet. The first ball has a mass of 15 kg, and the second ball has a mass of 45 kg. Which statement describes the effect of dropping both balls at the same time?
a)
The first ball will hit the ground after the second ball.
b)
The second ball will hit the ground after the first ball.
c)
Both balls will hit the ground at the same time.
d)
Both balls will hit with the same force.
10.
Compressing a spring increases its
a)
kinetic energy
b)
potential energy
c)
electrical energy
d)
chemical energy
11.
Phillip throws a basketball up in the air and through a hoop. Because the ball is acted on by the force of gravity, the ball will —
a)
slow down, change direction, and then speed up until it hits the ground
b)
speed up, change direction, andthen slow down until it hits the ground
c)
travel at the same speed and same direction until it hits the ground
d)
change direction and travel at the same speed until it hits the ground
12.
An image of a toy rocket and forces are shown below. Assuming the only two forces on the toy rocket are lift and gravity, which of the following combinations would result in the rocket moving upward?
a)
Lift= 5 Newtons / Gravity = 5 Newtons
b)
Lift = 3 Newtons / Gravity = 4 Newtons
c)
Lift = 5 Newtons / Gravity = 4 Newtons
d)
Lift = 4 Newtons / Gravity = 4 Newtons
13.
The picture shows a 150 N load being lifted using a fixed pulley. How much force will be needed to lift the load?
a)
50 N
b)
75 N
c)
150 N
d)
175 N
14.
A graph is provided below. The graph shows the speed of a car traveling east over a 12 second period. Based on the information in the graph, it can be concluded that in the first 6 seconds, the car is –
a)
changing its direction.
b)
experiencing less and less friction.
c)
accelerating at a constant rate.
d)
climbing a steep incline.
15.
A hobbyist collected data about the motion of a toy train on a straight track and then recorded the data in the graph below.
Which of these accurately describes the motion of the toy train?
Which of these accurately describes the motion of the toy train?
a)
The toy train speeds up while going forward and then slows down.
b)
The toy train slows down while going forward and then moves backward.
c)
The toy train moves forward at a constant speed, slows down, and then stops.
d)
The toy train moves forward at an increasing speed, stops, and then moves forward.
100 %
