Energia mecanica

Energia mecanica

9th Grade

10 Qs

quiz-placeholder

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Energia mecanica

Energia mecanica

Assessment

Quiz

Physics

9th Grade

Medium

Created by

Zoltan2005 Ferencz

Used 210+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simbolul energiei cinetice este

E

Ep

Ec

L

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Unitatea de masura a energiei mecanice in SI este

Joule (J)

Newton (N)

Metru (M)

Newton x secunda (Nxs)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formula de calcul a energiei cinetice este

(mv2 )/2

(mv )/2

(mv2 )/3

(-mv2 )/2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lucrul mecanic a fortei constante este

Fd cos α

Fd sin α

Ft cos α

Fd2 cos α

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Energia potentiala a unui arc dupa comprimare este

(kx2)/2

(kx)/2

(kx2)

(k2x)/2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formula impulsului mecanic este

mv

mv2

mx

mt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Unitatea de masura a impulsului mecanic este

N s

N l

kg s

kg m

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