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Energy, Work, Power Check

Authored by Kevin Martilla

Physics

Used 7+ times

Energy, Work, Power Check
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9 questions

Show all answers

1.

MATCH QUESTION

1 min • 1 pt

Match the following

the ability to do work

Mechanical Energy

energy from position/shape/ config.

Energy

the sum of kinetic & potential energy

Kinetic Energy

energy of motion

Potential Energy

2.

DRAG AND DROP QUESTION

1 min • 1 pt

Complete the general conservation of energy equation: (Place KE terms before PE terms)
(a)   + ​ (b)   + ​ (c)   = ​ (d)   + ​ (e)  

KE_i
U_i
W_nc
KE_f
U_f
F_net
F_A
mg
ma

3.

DRAG AND DROP QUESTION

1 min • 1 pt

Complete the conservation of energy equation for the condition when the motion starts and finishes at the same height:

(Place zeroes if the term doesn't apply or isn't needed in this calculation)


​ (a)   + ​ (b)   + ​ (c)   = ​ (d)   + ​ (e)  

PEf
PEi
KEi
0
Wnc
KEf

4.

DRAG AND DROP QUESTION

1 min • 1 pt

Condition - Start from rest:
​ (a)   ​ + ​ (b)   + ​ ​ (c)   = ​ ​ (d)   + ​ ​ (e)  

PEiPE_i  

00  

WncW_{nc}  

KEfKE_f  

PEfPE_f
KEiKE_i

5.

DRAG AND DROP QUESTION

1 min • 1 pt

Condition - Constant Velocity:
(a)   + ​ (b)   + ​ (c)   = ​ (d)   + ​ (e)  

0
PEi
Wnc
KEf
PEf
KEi

6.

MATCH QUESTION

1 min • 1 pt

Match the following terms with the correct equation.

W=ΔKEW=\Delta KE

Gravitational Potential Energy

12mv2+mgh\frac{1}{2}mv^2+mgh

Kinetic Energy

12mvi2+mghi+Fncd=12mvf2+mghf\frac{1}{2}mv_i^2+mgh_i+F_{nc}d=\frac{1}{2}mv_f^2+mgh_f

Conservation of Energy

12mv2\frac{1}{2}mv^2

Work-Energy Theorem

mghmgh

Mechanical Energy

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What is power?
(Select all that apply)

The rate at which work is done

Worktime\frac{Work}{time}

F⋅dt\frac{F\cdot d}{t}

Measured in Joulessec⁡ond\frac{Joules}{\sec ond}

Measured in Watts (W)

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