Physics Unit 3 PT

Question 1

an (object’s) Movement around an External Axis

Answer 1

Revolution

Question 2

the Number of Complete Rotations Achieved By an Object in a given amount of Time; often measured in rpms

Answer 2

Rotational Speed

Question 3

the Force Applied to a Rotating Object to Change its Rotational Inertia

Answer 3

Torque

Question 4

During its flight, the path of the javelin follows a __________ Curve.

Answer 4

Parabolic

Question 5

The Curve the javelin makes has both a __________ Vector and a __________ Vector.

Answer 5

Vertical , & horizontal

Question 6

The Force that set the CD into a Spinning Motion Around its Axis is __________

Answer 6

Torque

Question 7

an Objects Kinetic Energy, Plus its Potential Energy

Answer 7

Mechanical Energy

Question 8

the Energy of an Object Based Upon its Position or its being Held Against a Force

Answer 8

Potential Energy

Question 9

the Amount of Work Performed that can be Completed in a Given Time Period

Answer 9

Power

Question 10

the Unit that Measures Power; it is Equivalent to One Joule of Work Performed in One Second

Answer 10

Watt

Question 11

The SI Unit for Work is the __________.

Answer 11

Joule

Question 12

The Joule is Equivalent to the Amount of Work it takes to Move One __________ One Meter.

Answer 12

Newton

Question 13

In the English System, Work is Measured in __________.

Answer 13

Foot-Pounds

Question 14

One __________ is Equal to 33,000 (ft-lb)/(min) or 550 ft-lb/s.

Answer 14

HorsePower

Question 15

The statement “(A Ford Mustang) is Moving at 63 mph Northwest” describes the Mustang’s __________. speed of something in a given direction

Answer 15

Velocity

Question 16

If the (Ford Mustang) accidentally Went Off the third floor of the parking garage, it would Accelerate towards the street due to the Force of __________.

Answer 16

Gravity

Question 17

If the (Ford Mustang) were to veer off the road and hit a sign, it would do much damage because its Mass of 1533.142 kg (x) its Velocity of 110 kph Means it has a High __________. an objects movement determined by multiplying the object’s mass by its velocity

Answer 17

Momentum

Question 18

If the Momentum of the (Ford Mustang) Changed, it would be Due to __________.

Answer 18

An Impulse

Question 19

Since the (Ford Mustang’s) Velocity, Acceleration and Momentum all Involve Direction, these Quantities are __________ Quantities.

Answer 19

Vector

Question 20

The Speed at which the (sticky note) Follows the Circumference in Rotation Around the tire’s Axis is the (sticky note’s) __________ Speed.

Answer 20

Rotational

Question 21

The Speed with which the (sticky note) Would Have if it Became Unattached During the Tire’s Rotation is the (sticky note’s) __________.

Answer 21

Tangential Speed

Question 22

D represents the __________ that Makes the (sticky note) try to Move Inward to the Tire Axis

Answer 22

Centripetal Force

Question 23

The Tire and the Axle it is Attached to tend to Remain in Rotation due to __________.

Answer 23

Rotational Inertia

Question 24

The Rate of the Tire’s Speed suddenly Increases. The (sticky note’s) Speed also Increases. Another way of saying this is that the (sticky note’s) __________ Increases.

Answer 24

Centripetal Acceleration

Question 25

The Amount of Force needed to Move the (tire) 5 miles is Equal to the __________ required to Perform that task.

Answer 25

Work

Question 26

the Amount of Work Done to Move the (tire) 5 miles in 5 minutes is Equal to the __________ necessary to perform that task.

Answer 26

Power