Quiz about Review

Question 1

What is the slope of the following graph: Force vs. Mass

Accepted Answer

Acceleration (a)

Answer

Velocity (v)

Answer

Distance (d)

Answer

Time (t)

Question 2

Name the type of friction: Force needed to start an object's motion

Accepted Answer

Static friction

Answer

Sliding friction

Answer

Rolling friction

Answer

Fluid friction

Question 3

Name the type of friction: Used when objects are at rest

Accepted Answer

Static friction

Answer

Sliding friction

Answer

Rolling friction

Answer

Fluid friction

Question 4

Name the type of friction: Used for an object sliding across a surface

Accepted Answer

Kinetic friction

Answer

Static friction

Answer

Rolling friction

Answer

Fluid friction

Question 5

A projectile is launched straight up. What is its velocity at max height?

Accepted Answer

0 (zero)

Answer

Equal to its initial velocity

Answer

Equal to the acceleration due to gravity

Answer

Twice its initial velocity

Question 6

On a velocity vs. time graph: What is the area under the curve?

Accepted Answer

Displacement

Answer

Velocity

Answer

Acceleration

Answer

Force

Question 7

What is the slope of the following graph: Force vs. acceleration?

Accepted Answer

Mass (m)

Answer

Velocity (v)

Answer

Time (t)

Answer

Distance (d)

Question 8

What is the slope of the following graph: Force vs. Mass?

Accepted Answer

Acceleration (a)

Answer

Velocity (v)

Answer

Displacement (s)

Answer

Time (t)

Question 9

Name the type of friction: Force needed to start an object's motion.

Accepted Answer

Static friction

Answer

Sliding friction

Answer

Rolling friction

Answer

Fluid friction

Question 10

Name the type of friction: Used when objects are at rest.

Accepted Answer

Static friction

Answer

Sliding friction

Answer

Rolling friction

Answer

Fluid friction

Question 11

Name the type of friction: Used for an object sliding across a surface.

Accepted Answer

Kinetic friction

Answer

Static friction

Answer

Rolling friction

Answer

Fluid friction

Question 12

Name the type of friction

Accepted Answer

Kinetic friction

Answer

Static friction

Answer

Rolling friction

Answer

Fluid friction

Question 13

Gravitational field strength is also known as:

Accepted Answer

acceleration due to gravity

Answer

weight

Answer

mass

Answer

force

Question 14

The equation for total mechanical energy is:

Accepted Answer

E = KE + PE

Answer

$$E = mc^2$$

Answer

E = Fd

Answer

$$E = mv^2$$

Question 15

What is h for a pendulum?

Accepted Answer

The height the pendulum is raised

Answer

The length of the string

Answer

The mass of the bob

Answer

The time period of oscillation

Question 16

What is the area of a force vs. distance graph equal to?

Accepted Answer

Work done

Answer

Power

Answer

Force

Answer

Energy per unit time

Question 17

What does the area under the curve tell you for the following graph: velocity vs. time?

Accepted Answer

The displacement of the object

Answer

The acceleration of the object

Answer

The speed of the object

Answer

The force on the object

Question 18

The area under the curve for a force vs. distance graph tells you:

Accepted Answer

The work done by the force

Answer

The acceleration of the object

Answer

The change in kinetic energy

Answer

The velocity of the object

Question 19

Which type of collision conserves kinetic energy?

Accepted Answer

Elastic collision

Answer

Inelastic collision

Answer

Completely inelastic collision

Answer

Explosion

Question 20

A ball initially at rest is dropped from height, H. What is its velocity at the bottom?

Accepted Answer

$$\sqrt{2gH}$$

Answer

Answer

Answer

$$\sqrt{gH}$$

Question 21

What is the area under the curve of a force vs. time graph?

Accepted Answer

Impulse

Answer

Work

Answer

Power

Answer

Momentum

Question 22

Solve for gravitational field strength.

Accepted Answer

Force per unit mass

Answer

Mass per unit force

Answer

Distance per unit mass

Answer

Velocity per unit mass

Question 23

A ramp is at rest on the incline as shown. Which of the following best represents the free body diagram of the ramp?

Accepted Answer

A diagram showing weight downward, normal force perpendicular to the surface, and friction up the incline.

Answer

A diagram showing only the weight acting vertically downward.

Answer

A diagram showing weight downward and normal force perpendicular to the surface only.

Answer

A diagram showing weight downward, normal force perpendicular to the surface, and friction down the incline.

Question 24

A ramp is at rest on the incline as shown. What type of friction is acting on the ramp?

Accepted Answer

Static friction

Answer

Kinetic friction

Answer

Rolling friction

Answer

Fluid friction

Question 25

A ramp is at rest on the incline as shown. Which of the following best represents the components acting on it?

Accepted Answer

Gravity, normal force, and friction

Answer

Only gravity

Answer

Only normal force

Answer

Gravity and tension

Question 26

Name the type of friction: used for an object that is sliding across a surface.

Accepted Answer

Kinetic friction (or sliding friction)

Answer

Static friction

Answer

Rolling friction

Answer

Fluid friction

Question 27

Name the type of friction: object at rest

Accepted Answer

Static friction

Answer

Sliding friction

Answer

Rolling friction

Answer

Fluid friction

Question 28

Name the type of friction: moving and not on wheels

Accepted Answer

Sliding friction

Answer

Rolling friction

Answer

Static friction

Answer

Fluid friction

Question 29

Name the type of friction: breaking problem: skid

Accepted Answer

Kinetic friction (or sliding friction)

Answer

Static friction

Answer

Rolling friction

Answer

Fluid friction

Question 30

Name the type of friction

Accepted Answer

Static friction

Answer

Kinetic friction

Answer

Rolling friction

Answer

Fluid friction

Question 31

Name the type of friction: used for an object that is sliding across a surface

Accepted Answer

Sliding friction

Answer

Rolling friction

Answer

Static friction

Answer

Fluid friction

Question 32

What concept will you likely use if an object has a change in elevation or a change in how much a spring is stretched or compressed?

Accepted Answer

Conservation of Energy

Answer

Conservation of Momentum

Answer

Newton's Second Law

Answer

Uniform Circular Motion

Question 33

What concept will you likely use for collisions?

Accepted Answer

Conservation of Momentum

Answer

Conservation of Energy

Answer

Newton's Second Law

Answer

Uniform Circular Motion

Question 34

What concept will you likely use when solving for an unknown force?

Accepted Answer

Newton's Second Law

Answer

Conservation of Energy

Answer

Conservation of Momentum

Answer

Uniform Circular Motion

Question 35

What concept will you likely use for finding velocity in UCM (Uniform Circular Motion)?

Accepted Answer

Uniform Circular Motion

Answer

Conservation of Energy

Answer

Conservation of Momentum

Answer

Newton's Second Law

Question 36

What concept will you likely use for a satellite in an elliptical orbit?

Accepted Answer

Conservation of Energy

Answer

Conservation of Momentum

Answer

Newton's Second Law

Answer

Uniform Circular Motion

Question 37

A ball initially at rest is dropped from height, H. What is its velocity at the bottom?

Accepted Answer

$$\sqrt{2gH}$$

Answer

Answer

Answer

$$\sqrt{gH}$$

Question 38

What is x when it comes to springs?

Accepted Answer

The displacement from the equilibrium position

Answer

The force applied to the spring

Answer

The spring constant

Answer

The mass attached to the spring

Question 39

Which of the following is an equation that can be used to solve for x (displacement in springs)?

Accepted Answer

F = kx

Answer

x = vt

Answer

P = IV

Answer

$$E = mc^2$$

Question 40

Graph PE, KE & Total Energy for a spring that is oscillating back and forth.

Accepted Answer

PE and KE oscillate out of phase, while Total Energy remains constant.

Answer

PE and KE are always equal and constant, while Total Energy varies.

Answer

PE, KE, and Total Energy all oscillate together in phase.

Answer

Total Energy decreases as the spring oscillates.

Question 41

What is the rotational inertia of a point particle?

Accepted Answer

Zero

Answer

Infinite

Answer

Equal to its mass

Answer

Depends on its velocity

Question 42

What does a net torque produce?

Accepted Answer

A change in angular velocity

Answer

A change in velocity

Answer

A change in mass

Answer

A change in temperature

Question 43

A box is released from rest at a height h on a frictionless ramp, what is the speed at the bottom?

Accepted Answer

v = <katex latex=\"\sqrt{2gh}\"></katex>

Answer

v = gh

Answer

v = 2gh

Answer

v = $$\sqrt{gh}$$

Question 44

The figure skaters in the picture (father/son) are initially at rest and then push away from each other. Which one has the higher velocity?

Accepted Answer

Son

Answer

Father

Answer

Both have the same velocity

Answer

Cannot be determined

Question 45

The figure skaters in the picture (father/son) are initially at rest and then push away from each other. What is the momentum of the system when they push away from each other?

Accepted Answer

Zero

Answer

Greater than zero

Answer

Less than zero

Answer

Cannot be determined

Question 46

The figure skaters in the picture (father/son) are initially at rest and then push away from each other. Who exerts a greater force?

Accepted Answer

Both exert equal force.

Answer

The father exerts a greater force.

Answer

The son exerts a greater force.

Answer

Neither exerts any force.

Question 47

The figure skaters in the picture (father/son) are initially at rest and then push away from each other. What concept explains #2?

Accepted Answer

Newton's Third Law

Answer

Newton's First Law

Answer

Newton's Second Law

Answer

Law of Conservation of Energy

Question 48

The figure skaters in the picture (father/son) are initially at rest and then push away from each other. What concept explains #3?

Accepted Answer

Newton's Third Law

Answer

Newton's First Law

Answer

Newton's Second Law

Answer

Law of Conservation of Energy

Question 49

Two objects of masses 2m and m are coming towards each other with equal velocities. They stick together at the end. What is the magnitude of their final speeds?

Accepted Answer

v/3

Answer

0

Answer

2v/3

Answer

v

Question 50

An object of mass, m is twirled in a vertical circle of radius, r. What is the minimum speed needed to go through the loop?

Accepted Answer

v = sqrt(2gr)

Answer

v = sqrt(gr)

Answer

v = gr

Answer

v = 2gr

Question 51

Two disks have the same mass. The rotational inertia of disk A is $$\frac{1}{2} mR^2$$ . An identical disk rotates about an axis that passes through the edge of the disk as shown. What is the rotational inertia of disk b?

Accepted Answer

$$\frac{3}{2} mR^2$$

Answer

$$\frac{1}{2} mR^2$$

Answer

$$mR^2$$

Answer

$$2mR^2$$

Question 52

An object with a given mass and initial velocity experiences the graph shown. What concept would you use to find its final velocity after the force is applied?

Accepted Answer

Impulse-Momentum Theorem

Answer

Conservation of Energy

Answer

Newton's First Law

Answer

Work-Energy Theorem

Question 53

The acceleration of an object on a frictionless ramp is:

Accepted Answer

equal to g

Answer

equal to zero

Answer

greater than g

Answer

less than g

Question 54

An object is twirled in a vertical circle with a velocity v. The equation for the tension of the rope at the top is:

Accepted Answer

$$T = \frac{mv^2}{r} - mg$$

Answer

$$T = \frac{mv^2}{r} + mg$$

Answer

$$T = mg - mv^2/r$$

Answer

$$T = mg + \frac{mv^2}{r}$$

Question 55

A satellite orbits the Earth in an elliptical orbit as shown in the picture. What concept do you use to answer questions about its velocity?

Accepted Answer

Conservation of angular momentum

Answer

Newton's first law

Answer

Kepler's third law

Answer

Universal law of gravitation

Question 56

Which of the following are situations where you will use conservation of momentum?

Accepted Answer

A car crash and a rocket launch

Answer

Boiling water and melting ice

Answer

Photosynthesis and respiration

Answer

Evaporation and condensation

Question 57

Which of the following situations would you use conservation of angular momentum?

Accepted Answer

A figure skater pulling in their arms during a spin, a collapsing star, and a diver tucking in mid-air

Answer

A car accelerating on a straight road, a ball rolling down a hill, and a pendulum swinging

Answer

A person walking, a train moving at constant speed, and a book falling off a table

Answer

A balloon inflating, a glass of water evaporating, and a tree growing

Question 58

A ball hits the rod, causing it to rotate. The main concept that you will use to solve any questions about this problem is:

Accepted Answer

Conservation of Angular Momentum

Answer

Conservation of Linear Momentum

Answer

Newton's Law of Universal Gravitation

Answer

Hooke's Law

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