NEW
Font size
S
M
L
XL
WorksheetsC and A
Total questions: 45
Worksheet time: 39mins
Name
Class
Date
1.
For an investigation, a student measures the speed of a cart as it rolls down a ramp. The student then records datat in the table below. Which of these best explains the student's data?
a)
The speed of the cart decreases as the cart rolls down the ramp because of friction between the cart and the ramp.
b)
The speed of the cart increases as teh cart rolls down the ramp because the force acting on the cart is greater than the the force of gravity.
c)
The speed of the cart increases as the cart rolls down the ramp because the forces acting on the cart are unbalanced.
d)
The speed of the cart decreases as the cart rolls down the ramp because the forces acting on the cart are balanced.
2.
Two cars with different masses travel at the same speed down a hill towards a stop sign. What will happen when both cars apply brakes at the same time to stop?
a)
The car with the smaller mass will require less force to stop than the car with the larger mass.
b)
The car with the larger mass will maintain its velocity while traveling down the hill.
c)
The car with the smaller mass will take longer to stop than the car with the larger mass.
d)
The car with the larger mass will have less inertia than the car with the smaller mass.
3.
In the classroom demonstration shown below, a rubber ball is dropped from Position 1. The ball bounces as shown. At which of these positions does the ball have both the greatest kinetic energy and the least potential energy?
a)
Position 1
b)
Position 2
c)
Position 3
d)
Position 4
4.
Which description is a correct interpretation of the graph?
a)
A car travels at a constant speed of 15m/s for 2 minutes. The car increases its speed from15 to 25 m/s during the next minute and then travels at a constant speed of 25 m/s for 2 more minutes.
b)
A car travels at a constant speed of 15 m/s for 2 minutes. The car decreases its speed from 15 to 25 m/s during the next minute and then travels at a constant speed of 25 m/s for 2 more minutes.
c)
A car increases its speed from 15 to 25 m/s for the first 2 minutes then travels at a constant speed for 5 minutes then increases its speed to 30 m/s during the next 5 minutes.
d)
A car decreases its speed from 25 to 15 m/s for the first 2 minutes then travels at a constant speed for 5 minutes then increases its speed to 30 m/s during the next 5 minutes.
5.
A student walks 2 km in 30 minutes. What is the student's average speed in km/h?
a)
2
b)
4
c)
6
d)
8
6.
Some students measure the acceleration of a wheeled cart being acted on by varying forces. The students record their data in the table shown above. According to the data table, how much force is acting on the cart when the students measure an acceleration of 2.6m/s2?
a)
13N
b)
7N
c)
8N
d)
12N
7.
The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. What energy transformations occur when propane gas is used to lift the balloon?
a)
Mechanical --> light --> chemical
b)
Chmical --> mechanical --> thermal
c)
Thermal --> chemical --> light
d)
Chemical --> thermal --> mechanical
8.
Sometimes tectonics plates do not move easily past one another, and the plates become stuck. Forces build up, and when the plates finally move, tension is released, as shown below. The sudden movement of the plates is caused by ____.
a)
the mass of the plates
b)
the weight of the plates
c)
unbalanced forces
d)
gravitational force
9.
The diagram below shows a boat moving north in a river at 3 m/s while the current in the river moves south at 1 m/s. How will the boat be affected if it enters a part of the river where the current is moving south at 2 m/s?
a)
The boat will move slower.
b)
The boat will move faster.
c)
The boat will stop.
d)
The boat will move to the west.
10.
A student lets a toy car roll four times down a ramp that is 1m long. Each time the student covers the surface of the ramp with a different material. The student measures the time it takes the car to roll down the ramp and records the results in the table below. Which of these would be the best conclusion based on the data in the table?
a)
Different surfaces affect how fast a toy car accelerates.
b)
Different toy cars travel at different speeds.
c)
Gravity has little effect on the speed of toy cars on different surfaces.
d)
Air resistance is the greatest factor in limiting the acceleration of different toy cars.
11.
Four students were asked to classify the activities of people as examples of either potential or kinetic energy. Which student correctly classified the activities?
a)
Student 1
b)
Student 2
c)
Student 3
d)
Student 4
12.
When a lion eats a zebra nad then uses the energy from the zebra to run, the lion's body converts _________.
a)
chemical energy to mechanical energy
b)
electrical energy to chemical energy
c)
chemical energy to light energy
d)
mechanical energy to chemical energy
13.
When a space shuttle was launched, the astronauts onboard experienced an acceleration of 29.0 m/s2. If one of the astronauts had a mass of 60.0kg, what net force in newtons did the astronaut experience?
a)
1740 N
b)
2.07 N
c)
31 N
d)
89 N
14.
The graph below shows distance over time. Which of these situation could be represented by this graph?
a)
A student walks 1.5 km to a friend's house in 40 minutes. The two students then wak another 1.5 km to school in 20 minutes.
b)
A student walks 1.5 km to a friend's house in 20 minutes. The two students then walk anothe r 1.5 km to school in 40 minutes.
c)
A student walks 1.5 km to a friend's house in 30 minutes. The two students then walk another 1.5 km to school in 30 minutes.
d)
A student walks 1.5 km to a friend's house in 20 minutes. The two students then walk another 1.5 km to school in 60 minutes.
15.
A student uses a magnet to move a 0.025 kg metal ball. The magnet exerts a force of 5 N, which causes the ball to begin moving. What is the acceleration of the ball when it begins to move?
a)
200 m/s2
b)
0.125 m/s2
c)
5 m/s2
d)
5.025 m/s2
16.
What is the difference between the velocity and the speed of an object?
a)
velocity is the change in distance over time, while speed is the change in velocity over time.
b)
velocity has a direction associated with it, while speed has no specific direction.
c)
velocity has no direction associated with it, while speed has a specific direction.
d)
velocity is the change in speed over time, while speed is the change in distance over time.
17.
Some students were investigating the speed of a toy car they built. They performed two trials adn recorded their data in the table below. What was the average speed of the toy car during the two trials to the nearest tenth of a m/s?
a)
22.4 m/s
b)
1.4 m/s
c)
35 m/s
12 m/s
d)
9.6 m/s
18.
The diagram below shows a sled moving along a smooth, frictionless track. In which sections of the track will the sled experience an unbalanced force?
a)
Section 1 and 3
b)
Sections 2 and 3
c)
Sections 2 and 4
d)
Sections nd 4
19.
The masses of four vehicles and the net forces acting on them as they enter a highway are recorded in the table below. Which vehicle has the greatest acceleration as it enters the highway?
a)
Sedan
b)
Coupe
c)
SUV
d)
Truck
20.
The diagram shows a homemade car being pushed with a force of 25 N. The force causes the car to move at a constant speed of 3 m/s. What will happen if the force is changed to 35 N?
a)
The car will move at a constant speed of 13 m/s.
b)
The speed of the car will not change.
c)
The speed of the car will increase.
d)
The speed of the car will decrease to 1 m/s
21.
The main parts of a working clothes dryer are shown in the diagram. This appliance dries clothes primarily by converting ________.
a)
electrical energy to heat and mechanical energy
b)
mechanical energy to heat and electrical energy
c)
electrical energy to heat and light
d)
mechanical energy to heat and vaporization
22.
The three vehicles shown below are all traveling at a speed of 15m/s, but only the pickup truck has a changing velocity. The pickup truck has a changing velocity because the pickup truck —
a)
Can accelerate faster than the other two vehicles
b)
is traveling in the opposite direction from the other two vehicles
c)
is traveling on a curve in the road
d)
needs a large amount of force to move
23.
Four students raced toy cars on a track. The mass and the acceleration of each car is recorded in the table below. Which toy car had the greatest applied force?
a)
1
b)
2
c)
3
d)
4
24.
A bus travels 20 km in 30 minutes. What is the average speed of the bus?
a)
20 km/h
b)
30 km/h
c)
40 km/h
d)
50 km/h
25.
During a demonstration of Newton's laws of motion, a student used the setup shown in Fig.1. The student flicked the index card with a fingertip, and the coin fell straight down into a plastic cup as shown in Figure 2. Which of these best explains why the coin fell straight down into the cup instead of remaining on the index card?
a)
The coin was at rest until the card was removed, so it tended to remain in the same location. Once the card was gone, the unbalanced force of gravity caused the coin to fall.
b)
Moving the card applied an action force on the coin. Since the card was gone, gravity applied a reaction force on the coin.
c)
The card had less mass than the coin, so a smaller force of gravity acted on the card. The larger force of gravity on the coin made it fall.
d)
The acceleration of the coin falling into the cup was equal and opposite to the acceleration of the card.
26.
Four students push carts filled with sports equipment across the gym. Each studen pushes with the same amount of force. Which cart has the greatest change in speed?
a)
Cart A
b)
Cart B
c)
Cart C
d)
Cart D
27.
A student drew the diagram below to show the movement of water through a hydroelectric dam. The studen used the diagram to describe changes in potential and kinetic energy of the water. At which location is the gravitational potential energy of the water the greatest?
a)
Location W
b)
Location X
c)
Location Y
d)
Location Z
28.
A basketball with a mass of 0.60 kg is accelerated with a force of 10.8 N. If resisting forces are ignored, what is the acceleration of the basketball to the nearest m/s2?
a)
6.48
b)
10.2
c)
18
d)
16.8
29.
The diagram below shows two different forces acting on a cyclist riding a bicycle. The total mass of the cyclist and the bicycle is 100.0 kg. Based on this informtiona, what is the acceleration of the cyclist?
a)
0.66 m/s2 backwards, because the force of the air slows the cyclist down.
b)
0.66 m/s2 forward, because the applied force is greater than the force of the air.
c)
2.3 m/s2 backwards, because the forces are opposite and not equal.
d)
2.3 m/s2 forward, because the cyclist's inertia is grater than the force of the air.
30.
Which of the following is the best example of the velocity of an object?
a)
30 m/s
b)
30 m east
c)
30 m/s east
d)
30 m/s2
31.
A student jumps off a sled towards the west after it stops at the bottom of an icy hill. Based on the law of action-reaction, in what direction will the sled most likely move as the student jumps off?
a)
North
b)
South
c)
East
d)
West
32.
A student used a video camera to record another student dropping a marble through water in a graduated cylinder. The students watched the video in slow motion and made the observations shown below. During which part or parts of the marble's fall did the marble experience unbalanced forces?
a)
Part 1 only
b)
Parts 1 and 2 only
c)
Part 3 only
d)
Parts 2 and 3 only
33.
A student runs two times around a running path at a local park. Each lap is 3km. The student completes the first lap in 20 minutes. The student then sets on a bench and rests for 5 minutes before completing the second lap in 25 minutes. Which graph best represents the student's motion.
a)
F
b)
G
c)
H
d)
J
34.
Two students are working together to build a birdhouse. Student 1 applies a force of 10N to a wooden board in order to slide it across the table to Student 2. If the force of friction resisting the student's push is 4N, what is the net force acting on the board?
a)
4N
b)
6N
c)
10N
d)
14N
35.
The graph below shows the motion of a ball rolling on a straight track. What was the ball's average speed during the time represented in the graph?
a)
0.2 m/s
b)
0.5 m/s
c)
5.0 m/s
d)
10.0 m/s
36.
The list includes six situations. Which objects in the list experience an unbalanced force?
a)
The book, the ball and the car
b)
The ball, the car, and the bird
c)
The can, the swing, and the bird
d)
The book, the ball, the can, and the swing
37.
Deep Space 1 was a spacecraft powered by an engine that gave off xenon particles to change velocity. It had a mass of 500kg. Which expression can be used to find the spacecraft's acceleration if its engine created a net force of 0.10N?
a)
0.10N/500kg
b)
500kg X 0.10N
c)
500Kg/0.10N
d)
500kg + 0.10N
38.
The drawing shows two identical airplanes at an air show. The airplanes are flying at the same speed. Airplane W is flying 50m higher than Airplane X. Which statement best describes the energy of the two airplanes?
a)
Airplane W has a greater kinetic energy than Airplane X.
b)
The two airplanes have the same gravitational potential energy but different kinetic energies.
c)
Airplane X has more gravitational potential energy than Airplane W.
d)
The two airplanes have the same kinetic energy but different gravitational potential energies.
39.
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?
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 backwards.
c)
Teh toy train moves forward at a constant speed, slows down, then stops.
d)
The toy train moves forward at an increasing speed, stops, and then moves forward.
40.
During a lab investigation, students added four 50g masses to two boxes and arranged the boxes so that they were motionless on a pulley, as shown in the diagram. The students then followed the procedure described in the box. The students recorded their observations after each procedure and reset the pulley system to the original conditions. during which procedures did students observe an unbalanced upward force on Box 1?
a)
Procedures 1,2, and 3
b)
Procedures 4 and 5
c)
Procedures 3 and 4
d)
Procedures 1,3 and 5
41.
A clerk at a hardware store performed the activities in the list. Which statement best describes the amount of work performed for the three activities?
a)
Activity 3 required more work than Activity 1, but Activity did not require more work than Activity 2.
b)
Activity 1 required the same amount of work as Activity 3.
c)
Activity 2 required the most work.
d)
Activity 1 was the only activity that required work.
42.
A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?
a)
The chemical energy stored in teh match changed to thermal energy and light energy.
b)
The thermal energy stored in the match changed to light energy and chemical energy.
c)
The light energy and thermal energy stored in the match changed to mechanical energy.
d)
The light energy and thermal energy stored in teh match changed to chemical energy.
43.
A student graphed the postion of a cart during a 7-second time interval. Which statement best describes the cart?
a)
The cart was stationary with a velocity of 0 m/s for the entire 7 second.
b)
The cart was stationary except for a short burst of acceleration of 0.5 m/s2.
c)
The cart moved at a constant velocity of 0.5 m/s for the entire 7 seconds.
d)
The cart accelerated at a constant rate of approximately 0.8 m/s2.
44.
A golfer hits a golf ball with a club. The mass of the bal is 0.05kg. The ball accelerates at 2,000 m/s2. What is the net force, to the nearest newtonk that accelerates the ball?
a)
100N
b)
40,000N
c)
2,000.05N
d)
2,500N
45.
NASA's space shuttle program was active from 1981 until 2011. The photograph shows rockets carrying a space shuttle off the launchpad. How can Newton's law of action-reaction best be applied to explain the movement of a rocket?
a)
As the fuel burns, gases push against the rocket, moving it upward.
b)
As the fuel burns, gases move out of the rocket and reduce air resistance.
c)
As the fuel burns, the mass of the rocket decreases.
d)
As the fuel burns, the rocket moves faster.
Reset
