# Lab Final

27 Questions | Total Attempts: 11

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• 1.
To say an object is being uniformly accelaerated means?
• A.

It is moving with a constant velocity.

• B.

It is moving with a constant acceleration

• C.

It is always moving in the same direction

• D.

Its acceleration is constantly changing

• 2.
In the uniformly accelerated motion experiment, three graphs were made, they were
• A.

Acceleration vs. Time, Velocity vs Time, Position vs Time

• B.

Acceleration vs. Velocity, Velocity vs Position, Position vs Time

• C.

Time vs Acceleration, Time vs. Velocity , Time vs. Position

• D.

Position vs. Acceleration, Position vs. Velocity, Position vs. Time

• 3.
The graph regarding acceleration vs time will basically be
• A.

Parabolic, and open downwards

• B.

A straight line with no slope

• C.

A straight line with a positive slope

• D.

Parabolic, and open upwards

• 4.
Which of the following equations will describe the velocity graph in the uniformely accelerated motion exp.
• A.

X = Xo+Vot+.5at^2

• B.

V=Vo+at

• C.

V^2=Vo^2+2ax

• D.

A=b

• 5.
In this experiment the track will be? (Uniformly accelerated motion)
• A.

Elevated at one en

• B.

Elevated at alternative ends

• C.

Lay flat on the table

• D.

Sometimes elevated at one end, and sometimes lay flat on the table

• 6.
For the projectile motion exp, the number of times the ball bearing is fired for each case is
• A.

3 times

• B.

4 times

• C.

5 times

• D.

10 times

• 7.
Fir a projectile fired on a constant level surface its overall velocity is at a minimum when?
• A.

When the projectile is at its max height

• B.

Right when the projectile is fired

• C.

Right before the projectile hits the ground

• D.

Its overall velocity is constant

• 8.
For a projectile motion the equation given in the manal that describes the range (distance traveled in the horizontal direction) is?
• A.

Deltax = Vosin(theta)t

• B.

Deltax= Vocos(theta)t

• C.

Deltax=votan(theta)t

• D.

Deltax=Vosin^2(theta)t

• 9.
For the atwoods exp, the acceleration for this exp is
• A.

Less than the acceleration due to gravity

• B.

Equal to the acceleration due to gravity

• C.

More than the acceleration due to gravity

• D.

Motion when the fiction force is taken into account

• E.

None of the above

• 10.
What kind of sensor was used in the atwood exp
• A.

Analog acceleration sensor

• B.

Digital motion sensor

• C.

Analog photogate

• D.

Digital photogate

• E.

None of the above

• 11.
In this exp(atwoord machine), the spoke arc is set to:
• A.

.05m

• B.

.015m

• C.

.020m

• D.

.025m

• E.

None of the above

• 12.
For the Atwood Machine, the net force, Fnet is proportional to M2-M1.  If the same masses are added to both hangers of the Atwood machine then:
• A.

The acceleration will remain constant

• B.

The net force will remain constant

• C.

The linear velocity will remain constant

• D.

The total mass will remain constant

• E.

None of the above

• 13.
The acceleration for these experiments are: (ACCELERATION OF A CART)
• A.

Equal to the acceleration due to gravity

• B.

Less than the acceleration due to gravity

• C.

More than the acceleration due to gravity

• D.

Motion when the friction force is taken into account

• E.

None of the above

• 14.
The motion sensor used in this exp (acceleration of a cart) has no miminum distance requirements.
• A.

True

• B.

False

• 15.
For the above cart moving down an inclined track, if a plot of velocity Vx versus t is made, will result in
• A.

A straight line

• B.

A circle

• C.

A parabola

• D.

A single point

• E.

A hyperbola

• 16.
What is suggested first angle for the inclination of the track (ACCELERATION OF THE CART)
• A.

5 degrees

• B.

10 degrees

• C.

15 degrees

• D.

None

• 17.
For this experiement, (Acceleration of a cart) the motion sensor should be set to a 25 samples per second.
• A.

True

• B.

False

• 18.
The Archimedes principle says that in the case of one object completely submerged in the fluid the buoyant force is:
• A.

Less than the weight of the object

• B.

Equal to the weight of the object

• C.

More than the weight of the object

• D.

Dependent on the density of the fluid

• E.

Measure the mass of the track

• 19.
For a floating object, the Byoyant Force is
• A.

Equal to the weight of the object

• B.

Less than the weight of the object

• C.

Larger than the weight of the object

• D.

None

• 20.
We did not have to calibrate the force sensor in the Boyant force lab
• A.

True

• B.

False

• 21.
For a completely submerged object, the Bouyant force is greater than the weight of the water displaced
• A.

True

• B.

False

• 22.
What is the acceleration of an object on an inclined plane?
• A.

A=gsin(theta)

• B.

A=gtan(theta)

• C.

A=gcos(theta)

• 23.
The units obtained using a micrometer are
• A.

Cm

• B.

Mm

• C.

M

• D.

Cm^3

• 24.
Newtons 2nd Law can be written as
• A.

A = F/m

• B.

A = m/F

• C.

A = mF

• D.

A = m/F

• 25.
The sensor usd for the momentum and collisions lab
• A.

Force sensor

• B.

Motion sensor

• C.

Force and motion

• D.

Motion

• 26.
Impulse I is equal to m(vf-vo)
• A.

True

• B.

False

• 27.
The equation to calculate the moment of inertia of a solid disk is 1/2MR^2
• A.

True

• B.

False