WorksheetsPhysics Fall Final Exam Review
Total questions: 53
Worksheet time: 27mins
Who was riding the fastest after 40 seconds?
Mike
Katelyn
Alex
It is impossible to tell
Which of these statements about Katelyn's data is the most accurate?
Katelyn started out moving quickly and then slowed down.
Katelyn started out moving slowly and then sped up.
Katelyn did not move during the time indicated on the graph.
Katelyn moved with the same speed the entire time.
Which of these statements about Alex's data is the most accurate?
Alex reached his greatest speed within the last 20 seconds of his ride.
Alex was stopped during the first 60 seconds of his ride.
Alex was stopped during the last 40 seconds of his ride.
Alex's greatest speed occurred between 60 and 120 seconds.
What is the average speed for Blue Lightning after 80 seconds?
0.53 meters per second
1.875 meters per second
12,000 meters per second
None of the above
The toy car with the greatest average speed between 20 and 50 seconds was __________.
Cheetah
Blue Lightning
Speedster
It is impossible to tell.
The average speed for Cheetah was ____________ during the first 20 seconds.
0.22 meters per second
3.0 meters per second
4.5 meters per second
1800 meters per second
According to Newton's Law of Universal Gravitation, which of the following would cause the attractive force between a planet and the Sun to be doubled?
Squaring the mass of the planet
Quadrupling the distance from the sun
Doubling the distance from the sun
Doubling the mass of the planet
What is the gravitational force between them?
A car travels at an average speed of 90km/hour for 2 hours. Calculate how far the car travels.
180 miles
180 kilometers
45 miles
45 kilometers
A bullet fired from a gun experiences a peak force of 2,000 Newtons. Its peak acceleration is 50,000 meters per second squared. What is the bullet's mass?
25 kilograms
0.04 kilograms
48,000 kilograms
The bullet's mass keeps changing during acceleration.
A plane leaves Los Angeles at a constant speed of 500 km per hour. It travels north for 15 minutes, then east for 1 hour, then south for 15 minutes. The plane
is now __________.
750 km east of Los Angeles
125 km south of Los Angeles
250 km north and 250 km east of Los Angeles
500 km east of Los Angeles
A car parked on level pavement exerts a force of 10,000 newtons on the ground. What force does the pavement exert back on the car?
2,500 newtons
10,000 newtons
10,000 kilograms
0 newtons
The Empire State Building in New York City weighs approximately 365,000 tons and exerts approximately 3,244,999,815 newtons on the ground. How much force does the ground exert on the building?
365,000 tons
approximately 365,000 newtons
approximately 3,244,999,815 newtons
none
A horse runs for a few minutes and then trots slowly for a few more minutes. What information is needed to find the horse's average speed?
the distance the horse traveled
the time it took the horse to travel
The distance the horse traveled and the time it took.
None of the above
How is average speed calculated?
total distance ÷ total time
total time ÷ total distance
total distance × total time
(total distance + total time) ÷ 2
Using the graph, how far will the car be from the initial point at 10 minutes?
6.6 miles
10 miles
13.5 miles
15 miles
Using the graph shown here, what is the rocket's approximate speed 15 seconds after takeoff?
200 seconds
200 meters
200 m/s
200 m/s/s
Using the graph, what is the approximate altitude of the plane at seven minutes after takeoff?
20,000 feet
20,000 feet/minute
26,000 feet
26,000 feet/minute
A person runs inside a train from the front engine car (the first car) toward the rear caboose (the last car). The person has a velocity of 5 meters per second relative to the train they are running in. The train is moving forward at 4 meters per second. Relative to the ground, the person's velocity is __________.
-- 1 m/s
1 m/s
-- 4/5 m/s
5/4 m/s
An apple weighs 1 N on the surface of the Earth. What would its weight be on Earth if the planet had the same radius but twice its present mass?
1/4 N
1/2 N
2 N
4 N
What is the average velocity of a car that travels 50 km in 2 hrs?
0.04 km/hr
6.94 km/hr
25 km/hr
100 km/hr
What is the average velocity of a car that travels 100 km in 5 hrs?
20 km/hr
0.05 km/hr
5.56 km/hr
500 km/hr
What is the average velocity of a car that travels 500 km in 5 hrs?
0.01 km/hr
100 km/hr
27.7 km/hr
2500 km/hr
How long will it take for the car to travel 400 km?
0.20 hrs
5 hrs
5000 hrs
3200 hrs
How long will it take for the car to travel 800 km?
0.1 hrs
10,000 hrs
10 hrs
6400 hrs
How far will a car travel if it averages 60 km/hr for 4.5 hrs?
0.075 km
13.3 km
258 km
270 km
A mover slides a 400 kg refrigerator across a floor at a CONSTANT speed of 5 m/s by applying a force of 200 N. What is the force of friction on the refrigerator?
0.5 N
40 N
200 N
2000 N
A 3 kg block of wood is pulled along a level surface by a rope as shown in the picture. The tension on the rope is 20 N and the friction between the block and surface is 5 N. What is the acceleration of the block?
6.3 m/s/s to the right
5 m/s/s to the right
5 m/s/s to the left
8.3 m/s/s to the left
A 5 kg block of wood is pulled along a level surface by a rope as shown in the picture. The tension on the rope is 20 N and the friction between the block and surface is 5 N. What is the acceleration of the block?
4 m/s/s to the right
3 m/s/s to the right
3 m/s/s to the left
5 m/s/s to the left
What net force is required to accelerate a 2 kg rock 20 m/s/s in gravity free space?
0.10 N
10 N
40 N
400 N
What net force is required to accelerate a 10 kg rock 20 m/s/s in gravity free space?
0.5 N
2 N
200 N
2000 N
What net force is required to accelerate a 5 kg rock 10 m/s/s in gravity free space?
0.5 N
2 N
50 N
250 m/s/s
A 2 kg block of ice is pushed along the ground with a constant 10 N force. Assuming there is no friction, what is the acceleration of the block?
1/5 m/s/s
5 m/s/s
20 m/s/s
100 m/s/s
A 20 kg block of ice is pushed along the ground with a constant 5 N force. Assuming there is no friction, what is the acceleration of the block?
0.25 m/s/s
4 m/s/s
100 m/s/s
250 m/s/s
A 5 kg block of ice is pushed along the ground with a constant 20 N force. Assuming there is no friction what is the acceleration of the block?
0.25 m/s/s
4 m/s/s
100 m/s/s
1000 m/s/s
A 50 kg motionless mass is hanging from a rope. What is the FT (Force Tension) on the rope? (F = ma, g = 9.81 m/s/s )
0 N
50 N
--490.5 N
490.5 N
What is the natural (normal) force of a 25 kg block that is not moving?
(F = ma, g = 9.81 m/s/s )
--245.25 N
--245.25 kg
0 N
245.25 N
A block at rest is exerting a force of 50 N on the ground. What is the mass of the block? ( F = ma, g = 9.81 m/s/s)
5.1 kg
490.5 kg
--5.1 kg
5.1 g
A ball is thrown into the air with an initial velocity of 22 m/s. How long until the ball reaches its highest point? (v = initial velocity + at, g= --9.8 m/s/s)
--2.24 s
2.24 s
2.24 s*2
impossible to determine
Vector A has a magnitude of 100. What are its east and north components?
93.96 north, 34.24 east
93.96 east, 34.24 north
100 north, 0 east
The problem cannot be solved unless the direction of vector A is given.
Vector A has a magnitude of 100. What are its west and south components?
0 south, 0 west
93.96 south, 34.24 west
--93.96 south, --34.24 west
The problem cannot be solved unless the direction of vector A is given.
Vector A has a magnitude of 55. What are its west and south components?
95 south, 95 west
0 south, 0 west
38.89 south, 38.39 west
In order to calculate components, a vector must be presented in the upper right quadrant.
Vector A has a magnitude of 97. What are its east and north components?
95.52 east, 16.84 north
--95.52 east, 16.84 north
95.52 west, 16.84 north
The problem cannot be solved because the angle of the vector to the reference frame cannot be greater than 90 degrees.
Vector A has a west component of 80 and a north component of 75. What is the magnitude of vector A and what is the value of angle X? Hint: Use the Pythagorean theorem and negative tan function.
magnitude = 109.65, X = 46.84 degrees
Angle X cannot be calculated unless the magnitude of vector A is given.
magnitude = 109.65, X = 43.15 degrees
magnitude = 155, X = 43.15 degrees
Vector A has a north component of 100 and an east component of 0. What is the magnitude of vector A and what is the value of angle X? Hint: Use the Pythagorean theorem negative tan function.
The problem cannot be solved because it results in division by 0.
magnitude = 100, X = 90 degrees
magnitude = 100, X = 0 degrees
The problem does not make sense because vectors cannot have components of 0.
A motor boat which can travel at 25 miles per hour in still water attempts to cross a river flowing 15 miles per hour east. What is the magnitude of the boat's actual velocity and what angle does the boat's path make with the river bank?
Hint: Use the Pythagorean theorem and negative tan function.
magnitude = 29.15 mph, angle = 59.03 degrees
magnitude = 29.15 mph, angle = 0 degrees
The boat must travel west in order to reach the dock.
magnitude = 59.03 mph, X = 29.15 degrees
If a body is in static equilibrium, which of the following is true?
The body cannot be moved.
There are no forces acting on the body.
net force on the body = 0
The temperature of the body is constant.
What would happen to a box if one person pushes it to the right while another person pushes it harder to the left?
The box will not move.
The box will move to the left.
The box will move to the right.
The box will tip over.
If a small white dog and a medium brown dog are pulling on a rope with EQUAL force in opposite directions, what will happen to the rope?
The rope will move towards the small white dog.
The rope will move towards the medium brown dog.
The rope will move towards both dogs.
The rope will not move.
Which two factors affect how fast the acceleration of an object changes?
the size of the unbalanced force acting on the object and the mass of the object
the weight of the object and the friction being applied to the object
the force of gravity and the size of the balanced force acting on the object
the direction that the force is being applied to the object and the velocity of the object
The diagram shows three different sized spheres all made of solid lead. If the same force is applied to all three spheres, which one will have the greatest acceleration?
A
B
C
A, B, and C will all have the same acceleration.
What will happen to the two spheres in the diagram when the same net force is applied to each?
sphere A will accelerate faster
sphere B will accelerate faster
both sphere A and B will accelerate at the same speed
sphere A will accelerate and sphere B will decelerate
The baseball in the diagram is moving while being acted upon by four balanced directional forces. If forces A, B, C, and D all become unbalanced, then the ball will __________.
continue with the same speed only
change in direction and speed
change in speed only
continue in the same direction and speed
