WORK, POWER & ENERGY RT

WORK, POWER & ENERGY RT

University

10 Qs

quiz-placeholder

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WORK, POWER & ENERGY RT

WORK, POWER & ENERGY RT

Assessment

Quiz

Physics

University

Medium

Created by

Azfar haque

Used 14+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

10 units

18 units

11 units

15 units

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A body of mass 5 kg, initially at rest, is moved by a force of 2 N on a smooth horizontal surface. The work done by the force in 10 s is

20 J

30 J

40 J

60 J

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A body is displaced from x = x1 to x = x2 by a force of 2x. The work done is

2x (x2 – x1 )

2x2 (x2 – x1 )

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A 1 kg mass has a K.E. of 1 joule when its speed is

0.45 m/s

1 m/s

1.4 m/s

4.4 m/s

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A body is lifted by a man to a height of 1 m in 30s. Another man lifts the same mass to the same height in 60s. The work done by them are in the ratio

1 : 2

1 : 1

2 : 1

4 : 1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ratio of dimensions of power and K.E is

1 : 1

T : 1

1 : T

M : T

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The expression for escape velocity is;

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