Quiz about Physics S1 Test Review (M1-M7)

Question 1

The displacement of an object can be calculated by multiplying its velocity and the time interval.

Accepted Answer

True

Answer

False

Question 2

A scalar is a measurement that does not have a direction.

Accepted Answer

True

Answer

False

Question 3

The zero point in a coordinate system is called the resultant.

Accepted Answer

False

Answer

True

Question 4

A time interval is the difference between two locations.

Accepted Answer

False

Answer

True

Question 5

In the particle model, the object in motion is represented by a series of single points.

Accepted Answer

True

Answer

False

Question 6

A vector has both location and direction.

Accepted Answer

False

Answer

True

Question 7

Force is a scalar quantity.

Accepted Answer

False

Answer

True

Question 8

The object on which a force acts is called the system.

Accepted Answer

True

Answer

False

Question 9

A force cannot exist without an agent and a system.

Accepted Answer

True

Answer

False

Question 10

A free-body diagram represents forces acting on a system.

Accepted Answer

True

Answer

False

Question 11

When a force is a push, the force arrows in a free body diagram point towards the particle.

Accepted Answer

False

Answer

True

Question 12

Force and acceleration are related in a linear fashion.

Accepted Answer

True

Answer

False

Question 13

The net force on an object is the resultant of the force vectors.

Accepted Answer

True

Answer

False

Question 14

Inertia is a force.

Accepted Answer

False

Answer

True

Question 15

As the speed of an object moving through a fluid increases, the magnitude of the drag force decreases.

Accepted Answer

False

Answer

True

Question 16

The horizontal motion of a horizontally launched projectile affects its vertical motion.

Accepted Answer

False

Answer

True

Question 17

Projectile motion in two dimensions cannot be determined by breaking the problem into two connected one-dimensional problems.

Accepted Answer

False

Answer

True

Question 18

A fly riding on the blade of a fan spinning at a constant speed is not accelerating.

Accepted Answer

False

Answer

True

Question 19

The acceleration of an object in uniform circular motion always points toward the center of the circle.

Accepted Answer

True

Answer

False

Question 20

Centrifugal force is center-seeking acceleration.

Accepted Answer

False

Answer

True

Question 21

Centripetal acceleration is a scalar quantity.

Accepted Answer

False

Answer

True

Question 22

When an object moves in a circle, the net force toward the center of the circle is the centripetal force.

Accepted Answer

True

Answer

False

Question 23

The key to successfully solving two-dimensional relative velocity problems is drawing the proper triangle to represent all three velocity vectors.

Accepted Answer

True

Answer

False

Question 24

The velocity vector of an object with a centripetal acceleration is never tangent to the circular path.

Accepted Answer

False

Answer

True

Question 25

The outside edge of a spinning compact disc is moving at a higher velocity than an inside track on the disc.

Accepted Answer

True

Answer

False

Question 26

An object that has negative acceleration is definitely doing what?

Accepted Answer

accelerating in a direction that is opposite to a stated positive direction.

Answer

speeding up

Answer

slowing down

Answer

maintaining a constant speed

Question 27

Which of the following is NOT an example of accelerated motion?

Accepted Answer

a bicyclist moving in a straight line at constant speed

Answer

a boulder falling off of a cliff in a straight path

Answer

a ball being thrown straight up

Answer

an airplane taking off down a straight runway

Question 28

Average acceleration vectors on a motion diagram indicate

Accepted Answer

the size and direction of the average acceleration during a time interval.

Answer

the size and direction of the average velocity during a time interval.

Answer

the size and direction of the average displacement during a time interval.

Answer

the size and direction of the average speed during a time interval.

Question 29

The change in velocity during a measurable time interval, divided by the time interval, is the _______.

Accepted Answer

average acceleration

Answer

instantaneous acceleration

Answer

instantaneous velocity

Answer

average velocity

Question 30

Which line shows both positive velocity and positive acceleration?

Accepted Answer

Line C

Answer

Line B

Answer

Line A

Answer

Line D

Answer

Line E

Question 31

Which line represents an object that is in motion where the acceleration is zero and the velocity is to the north?

Accepted Answer

Line A

Answer

Line E

Answer

Line C

Answer

Line B

Answer

Line D

Question 32

Given a graph of velocity v. time, what does a horizontal line represent?

Accepted Answer

The object is moving at constant velocity.

Answer

The object's acceleration is positive.

Answer

The object's acceleration is negative.

Answer

The object is standing still.

Question 33

The instantaneous acceleration of an object is

Accepted Answer

the rate of change in velocity at an instant of time.

Answer

the rate of change of speed at an instant of time.

Answer

the rate of change of time at an instantaneous position.

Answer

the rate of change of position at an instant of time.

Question 34

The length of the displacement vector represents how far an object _______.

Accepted Answer

Traveled in one direction

Answer

Can be stretched

Answer

Is visible

Answer

Can be thrown

Question 35

Position-time graphs can be used to find the _______ of an object, as well as where and when two objects meet.

Accepted Answer

Velocity and position

Answer

Magnitude

Answer

Gravity

Answer

Time interval

Question 36

Which of the following systems of forces provides the block the highest net force?

Accepted Answer

Question 37

The example of a book falling off of a table shows a(n) _______.

Accepted Answer

field force

Answer

contact force

Answer

absence of acceleration

Answer

scalar quantity

Question 38

Which of the following is not true about a free body diagram?

Accepted Answer

You always know the magnitude of the forces ahead of time.

Answer

All forces point away from the particle.

Answer

The arrows are proportional to the size of the forces.

Answer

The system is represented by a particle model.

Question 39

Which of the following is NOT true?

Accepted Answer

An object moving at constant velocity always has a force acting on it.

Answer

The force on an object is equal to the mass of the object multiplied by the acceleration.

Answer

The force exerted on an object is related in a linear fashion to the acceleration of the object.

Answer

An object moving with constant acceleration always has a force acting on it.

Question 40

When an object is in equilibrium, the net force is ______.

Accepted Answer

zero

Answer

Negative

Answer

positive

Answer

changing

Question 41

When the drag force on an object falling through the air equals the force of gravity, the object has reached

Accepted Answer

terminal velocity.

Answer

terminal force.

Answer

terminal illness.

Answer

terminal acceleration.

Question 42

Tension refers to

Accepted Answer

the force exerted by a string.

Answer

dynamic displacement.

Answer

terminal velocity.

Answer

free fall.

Question 43

The normal force (F_N) refers to

Accepted Answer

the perpendicular contact force exerted by a surface on another object.

Answer

the parallel contact force exerted by a surface on another object.

Answer

the perpendicular tension exerted by a surface on a rope.

Answer

the parallel acceleration of a body at terminal velocity.

Question 44

A weight is hung from the ceiling of an elevator by a massless string. Under which circumstances will the tension in the cord be the greatest?

Accepted Answer

The elevator rises with increasing speed.

Answer

The elevator rises with decreasing speed.

Answer

The elevator is at rest.

Answer

The elevator descends with increasing speed.

Question 45

The resultant between 2 vectors can be found by placing the vectors

Accepted Answer

tip to tail.

Answer

tip to tip.

Answer

tail to tail.

Answer

tip to midpoint.

Question 46

A wolf spider runs 75 cm west, then turns and runs 50 cm south. Which choice gives the correct solution for the resultant?

Accepted Answer

R²=75²+50²

Answer

R²=75²+50²-2(75)(50)cos60

Answer

R²=75²-50²

Answer

R²=75²-50²-2(75)(50)cos60

Question 47

The static friction force is

Accepted Answer

the minimum force required to overcome static friction and move an object.

Answer

the force need to keep an object moving at a constant velocity across a surface.

Answer

the force needed to bring an object to rest.

Answer

equal to the net force.

Question 48

Equilibrium can occur

Accepted Answer

only if the sum of the forces is zero.

Answer

only if there is constant acceleration.

Answer

only if an object is motionless.

Answer

only if the sum of the forces is greater than zero.

Question 49

Which of the following forces does NOT act on an object sliding down an inclined plane?

Accepted Answer

equilibrant force

Answer

force of gravity

Answer

force of friction

Answer

normal force

Question 50

When adding 2 vectors together graphically, which of the following may be done?

Accepted Answer

moving a vector

Answer

changing the length of a vector

Answer

rotating a vector

Answer

changing the angle between the vectors

Question 51

The normal force on an object always acts

Accepted Answer

perpendicular to the surface upon which the object is resting.

Answer

parallel to the surface upon which the object is resting.

Answer

equal and opposite to the weight of the object.

Answer

in the same direction as gravity.

Question 52

Gravity is what type of force?

Accepted Answer

field force

Answer

normal force

Answer

contact force

Answer

frictional force

Question 53

A black hole is

Accepted Answer

an object so massive that light leaving it is bent totally back to the object.

Answer

an object so diffuse that light leaving it is bent totally back to the center of the universe.

Answer

an object so diffuse that light approaching it is blocked from view.

Answer

an object so massive that light leaving it is bent totally back to the nearest star.

Physics S1 Test Review (M1-M7)

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