An airplane acceleratesdown a runway at 3.20 m/s2 for 32.8 s until is finally liftsoff the ground. Determine the distance traveled before takeoff.

- 1715 m
**1720 m**Correct- 1725 m
- none of the choices

Is defined as the projection ofuniform circular motion on a straight line.

- none of the choices
**simple harmonic motion**Correct- period
- motion

The ______ in simple harmonicmotion is proportional and opposite to the displacement.

- displacement
**acceleration**Correct- period
- angular harmonic motion

The motion is repeated in thesame length of time.

- none of the choices
- acceleration
- period
**angular harmonic motion**Correct

When elastic bodies vibratethey produce the simplest type of periodic motion.

**simple harmonic motion or SHM**Correct- period
- simple pendulum
- none of the choices

________________ is defined as the forceswhich lies in the line of activity but do not intersect or forms a parallel ata common point.

- Parallel Forces
**Non-Concurrent Forces**Correct- Forces
- none of the choices

"Sum of all forces acting on a body is zero". This condition represents equilibrium's

**First condition**Correct

"Sum of all forcesacting on a body is zero". This condition represents equilibrium's

**First condition**Correct- Fourth condition
- Second condition
- Third condition

100 cm = ______ in?

**39.37 in**Correct

100 inches = ____________ meter

**2.54 meter**Correct

100 m = ______ yrd ?

**109.361 yrd**Correct

120 centigrade = _____________ Fahrenheit ?

**248 Fahrenheit**Correct

120 lbs = _____ kg?

**54.4 kg**Correct

120.5 centigrade = _______________ kelvin ?

**393.65 kelvin**Correct

122 meter = ______________ inches ?

**4803.15 inches**Correct

150 Fahrenheit =_______ kelvin?

**338.706 kelvin**Correct

150 gram = _______________ kilogram ?

**0.15 kg**Correct

170 centigrade = ______________ fahrenheit ?

**338 fahrenheit**Correct

175 m = _______________ yrd

**191.382**Correct

180 kelvin = ____________ fahrenheit ?

**none of the choices**Correct

185 fahrenheit = __________ centigrade ?

**85 centigrade**Correct

200 Fahrenheit =_______ centigrade ?

**93.33 centigrade**Correct

21 yard = __________ foot ?

**63 foot**Correct

25.8 lbs = ___________ grams ?

**11702.68 grams**Correct

250 kelvin = ___________ centigrade ?

**none of the choice**Correct

280 feet = _____________ meter ?

**85.344 meter**Correct

350 Fahrenheit = _____________ Celsius

**176.667**Correct

460 Kelvin = ____________ Fahrenheit

**368.33**Correct

5.2 L = ________ gal ?

**1.37 gal**Correct

50 kg = ____ g ?

**50,000 g**Correct

500 g = __________ lbs?

**1.1 lbs**Correct

520 mm = _______________ inch

**20.472**Correct

550 m =________ in ?

**21,653.5 in**Correct

560 Kelvin = ______________ Celsius

**286.85**Correct

68 fahrenheit = _______________ kelvin ?

**293.15 kelvin**Correct

700 yard = __________ cm ?

**64,008 cm**Correct

86.3 liter = ____________ gal ?

**22.798 gal**Correct

A 300-lb box is held at rest on a smooth plane by a force P inclined at an angle θ with the plane as shown in the figure. If θ = 45°, determine the value of P and the normal pressure N exerted by the plane. NOTE : see fig 7 from the LIST OF FIGURE in Week-1

**P = 212.13 lb , N = 409.81 lb**Correct

A 300-lb box is held at rest on a smooth plane by aforce P inclined at an angle =CE=B8 with the plane as shown in the figure. If =CE=B8 45=C2=B0, determine the value of P and the normal pressure N exerted by the plane.NOTE : see fig 7 from the LIST OF FIGURE in Week-1

- P = 21213 lb , N = 40981 lb
- P = 21213 lb , N = 40981 lb
**P = 21213 lb , N = 40981 lb**Correct- none of the choices

A 5.0 m-long uniform beam is held in position by a cord as shown in the diagram. If the tension in the cord is 8.0 N, what is the weight of the beam?

**18 N**Correct

A 5.0 m-long uniformbeam is held in position by a cord as shown in the diagram. If the tension inthe cord is 8.0 N, what is the weight of the beam?

**18 N**Correct- 96 N
- 48 N
- 80 N

A body at rest or moving with uniform velocity will have acceleration

- min
- 1
**0**Correct- max

A bolt connecting the main and rear frame of a mountain bike requires of 15 N.m to tighten. If you are capable of applying 40N of force to a wrench in any given direction, what is the minimum length of the wrench that will result in the required torque?

**0.375 m**Correct

A bolt connecting the main and rear frame of amountain bike requires of 15 N.m to tighten. If you are capable of applying 40Nof force to a wrench in any given direction, what is the minimum length of thewrench that will result in the required torque?

- 375 m
**0375 m**Correct- 375 m
- none of the choices

A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car.

**8.10 m/s2**Correct

A car starts from restand accelerates uniformly over a time of 5.21 seconds for a distance of 110 m.Determine the acceleration of the car.

- 8110 m/s2
**810 m/s2**Correct- none of the choices
- 810 m/s2

A cylinder weighing 400 lb. is held against a smoothincline by means of the weightless rod AB in the figure. Determine the forces Pand N exerted on the cylinder by the rod and the incline.NOTE : see fig-6 from the LIST OF FIGURE in Week-1

**P = 09038 N , N = 41860 lb**Correct- P = 9038 N , N = 41860 lb
- none of the choices
- P = 9038 N , N = 41860 lb

A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s2 . Determine the time for the feather to fall to the surface of the moon.

**1.29 sec**Correct

A feather is dropped onthe moon from a height of 1.40 meters. The acceleration of gravity on the moonis 1.67 m/s2. Determine the time for the feather to fall to thesurface of the moon.

- none of the choices
- 139 sec
- 139 sec
**129 sec**Correct

A millimeter is about the thickness of a dime.

**True**Correct- False

A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the acceleration of the car.

**11.2 m/s2**Correct

A race car accelerates uniformly from 18.5 m/s to46.1 m/s in 2.47 seconds. Determine the acceleration of the car.

- 121 m/s2
- 112 m/s2
- none of the choices
**112 m/s2**Correct

A shot at an initial velocity at an angle above the horizon.

**projectile**Correct

A shot at an initial velocity at an angle abovethe horizon.

- free fall
- kinematics
- none of the choices
**projectile**Correct

A uniform rod of length 50cm and mass 0.2kg is placed on a fulcrum at a distance of 40cm from the left end of the rod. At what distance from the left end of the rod should a 0.6kg mass be hung to balance the rod?

**45 cm**Correct

A uniform rod of length 50cm and mass 0.2kg isplaced on a fulcrum at a distance of 40cm from the left end of the rod. At whatdistance from the left end of the rod should a 0.6kg mass be hung to balancethe rod?

- none of the choices
- 45 cm
- 54 cm
**45 cm**Correct

Add the following vectors and determine the resultant. 3.0 m/s, 45 deg and 5.0 m/s, 135 deg

**5.38 m/s**Correct

Add the following vectors anddetermine the resultant. 3.0 m/s, 45 deg and 5.0 m/s, 135 deg

- 638 m/s
**538 m/s**Correct- 438 m/s
- 338 m/s

All free-falling objects (on Earth) accelerate at a rate of _____________.

**9.8m/s2**Correct

All free-falling objects (on Earth) accelerateat a rate of _____________.

- none of the choices
- 98m/s
- 98m/s2
**98m/s2**Correct

An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeof

**1720 m**Correct

An object that is falling under the sole influence of gravity.

**free falling object**Correct

An object that is falling under the soleinfluence of gravity.

- range
- none of the choices
**free falling object**Correct- free fall

An object thrown upward with velocity will rise to a height

**trajectory height**Correct

An object thrown upward with velocity will riseto a height.

- free fall
**trajectory height**Correct- motion
- range

At sea level, the freezing temperature of water is 32 degrees Fahrenheit and the boiling point of water is 212 degrees Fahrenheit

**True**Correct

Commonly defined as the amount of heat energy required to raise the temperature of one gram of water by one degree celsius.

- none of the choices
- joules
- gravity
**calorie**Correct

Cords are loop around a small spacer separating two cylinders each weighing 400 lb. and pass, as shown in the fig-12 from the LIST OF FIGURE in Week-1 over a frictionless pulley to weights of 200 lb. and 400 lb. Determine the angle θ.

**θ = 60 degrees**Correct

Cords are loop around a small spacer separating twocylinders each weighing 400 lb. and pass, as shown in the fig-12 from the LIST OF FIGURE in Week-1 over africtionless pulley to weights of 200 lb. and 400 lb. Determine the angle =CE=B8.

- =CE=B8 = 76 degrees
- none of the choices
**=CE=B8 = 60 degrees**Correct- =CE=B8 = 70 degrees

Defined as the cross product of the lever arm distance vector and the force vector.

**none of the choices**Correct

Determine the magnitude of P and F necessary to keep the concurrent force system in the figure in equilibrium. NOTE : see fig-8 from the LIST OF FIGURE in week-1

**P = -133.25 N, F = 86.37 N**Correct

Determine the magnitude of P and F necessary to keepthe concurrent force system in the figure in equilibrium.NOTE : see fig-8 from the LIST OF FIGURE in week-1

**P = -13325 N, F = 8637 N**Correct- P = -13325 N, F = -8637 N
- none of the choices
- P = 13325 N, F = -8637 N

Determine the resultant of the force system shown inthe figure and its x and y intercepts.NOTE: see fig-3 from the LIST OF FIGURE in WEEK-1

- 164311 lb
- none of the choices
**161314 lb**Correct- 163114 lb

Determine the values of =CE=B1 and =CE=B8 so that the forcesshown in the figure will be in equilibrium.

- =CE=B1 =657 degrees and =CE=B8 = 296 degrees
- =CE=B1 =457 degrees and =CE=B8 = 5896 degrees
**=CE=B1 =4657 degrees and =CE=B8 = 2896 degrees**Correct- none of the choices

Determine the values of α and θ so that the forces shown in the figure will be in equilibrium

**α =46.57 degrees and θ = 28.96 degrees**Correct

This course is taught by the mentor:

Doctor of Medicine at University of San Jose.

All courses