WorksheetsFinal Review S1
Total questions: 52
Worksheet time: 2hrs 43mins
Between 10 seconds to 20 seconds, how can you describe the motion of the object?
goes towards the origin
turns around
goes away from the origin
slows down
For an object thrown in the air, what direction is the acceleration at point P?
up
down
right
southeast
A car goes around a curve of radius r at a constant speed v. Then it goes around the same curve at half of the original speed. What is the centripetal acceleration on the car as it goes around the curve for the second time, compared to the first time? ac = v^2/r
1/4
1/2
4
2
Which scenario is linear momentum not conserved?
siblings tackling each other
an eggs thrown hits and object
a baseball getting hit by a bat
lightning hitting a tree
Which scenario best describes Newton's First Law?
Newton's Laws:
1- Inertia
2- F = ma
3- Action-Reaction pairs
Kicking a stationary ball, and the ball moves forward
Being stopped by an airbag is safer than stopped by a steering wheel
Pins taking flight after being hit by a bowling ball, and the bowling ball slows
If the same force is applied to push an empty shopping cart and a full one, the empty one moves easier
Find the correct velocity time graph to match this position time graph?
Find the correct velocity time graph to match this position time graph?
Find the correct velocity time graph to match this position time graph?
Find the correct velocity time graph to match this position time graph?
Find the correct velocity time graph to match this position time graph?
Find the correct velocity time graph to match this position time graph?
Which of the following measurements is a vector measurement?
Volume
Mass
Speed
Temperature
Velocity
Which of the following measurements is a scalar measurement?
Speed
Velocity
Force
Acceleration
Momentum
Scalar or Vector: The airplane was flying 500 miles per hour due west from New York to California.
Scalar
Vector
Scalar or Vector: The 5000 pound car was sitting in the last parking space on the block.
Vector
Scalar
Scalar or Vector: The sprinter accelerated towards the finish line at a rate of 5 meters per second squared.
Scalar
Vector
6cm
7cm
36cm
12cm
Cam Per hikes to a campsite where he will spend the evening. He hikes 6 km, north and 3 km, west. The magnitude of Cam's displacement is ___km
3.0
4.5
6.7
45
An airplane flies due north at 150 km/h with respect to the air. There is a wind blowing at 75 km/h due east. What are the plane's speed with respect to the ground?
28,125 km/h
225 km/h
167.7 km/h
129.9 km/h
A Frisbee that flies at a speed of 1.8 m/s north relative to the air encounters a tailwind (blowing N) that travels at 1.2 m/s. What are the speed and direction of the Frisbee relative to the ground?
0.60 m/s north
3.0 m/s north
0.60 m/s south
3.0 m/s south
-10 m/s2
10 m/s2
depends on the initial velocity
If two projectiles are launched at two different heights, 2m and 10m, which one will reach the ground first?
2m
10m
they both will hit the ground at the same time
What is true about the vertical velocity of a projectile launched horizontally?
It is initially at its maximum value.
It increases due to gravity as it falls.
It remains constant throughout its trajectory.
It decreases as it falls due to gravity.
If a ball thrown straight up into the air takes 4 seconds to reach the top (peak), how long will it take to travel from the peak back to the original position?
0s
1s
3s
4s
The fact that an apple and a watermelon, dropped simultaneously from the same height, would hit the ground at the same time indicates that
you don't like apples or watermelons.
greater masses have greater acceleration.
lesser masses have greater acceleration.
acceleration is independent of mass.
Victor Velocity is standing on top of the roof of his house, firing stones with his slingshot over a level field. He is aiming straight outward, horizontally. If Victor pulls back harder on the sling to shoot a stone, which of the following quantities will be changed?
The vertical displacement of the stone.
The distance the stone travels, and the horizontal velocity.
The time it takes the stone to strike the ground, and the horizontal velocity.
Which of the following statements about the horizontal and vertical components of projectile motion is true?
Changes in the horizontal component occur only when the vertical component changes.
Both the horizontal and vertical components are always constant.
The vertical component changes while the horizontal component stays the same.
The horizontal and vertical components are dependent of each other.
Which of the following best describes inertia?
The tendency of an object to resist changes in its velocity.
The rate of change of velocity of an object.
The force applied to stop a moving object.
The gravitational pull on an object.
If the mass of an object is constant, how is acceleration related to the net force applied to it?
Acceleration is inversely proportional to the net force.
Acceleration is not related to the net force.
Acceleration is directly proportional to the net force.
Acceleration decreases as the net force increases.
If you double the mass of an object while applying the same force, what happens to the acceleration?
It doubles.
It remains the same.
It is halved.
It quadruples.
Gravity depends on ______ and ______ between objects. (Select 2)
Mass
Distance
Weight
Force
Size
A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?
A rightward force is applied to a dresser to accelerate it to the right across the bedroom floor.
What is the weight your backpack that has a mass of 10kg.
about 10 lbs
about 10 N
about 100 lbs
about 100 N
Calculate the impulse on the ball.
An egg landing on a soft surface will remain intact. The surface increases the _____ and decreases the _____ during the impact
impulse, time
impulse, force
force, time
time, force
Padded dashboards in cars are safer in accidents than non padded ones because the passenger hitting the dash has...
a) Increased time of impact
b) decreased impulse
c) decreased impact force
d) a and b
e) a and c
A truck that has a mass of 500 kg is moving at 15 m/s. There is a total of 300 J of work done on the truck, what is the final kinetic energy of the truck?
56,550 J
56,550 N
−55,950 J
−55,950 N
How much work does it take to get a 300 kg roller coaster car to go from 0 m/s to 70 m/s?
73,500 J
73,500 N
0 J
0 N
