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Hooke's Law, Density and Force-Extension Graphs

Physics

12th Grade

Used 17+ times

Hooke's Law, Density and Force-Extension Graphs
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the equation for Hooke's Law?

F = kΔL

F = kL

F = 1/2k(ΔL)2

F = k/ΔL

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

What is A on the graph?

Spring Constant

Young's Modulus

Elastic Limit

Limit of Proportionality

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A wire is stretched by 0.08m when 28N is applied. What is the stiffness constant of the wire?

290Nm-1

350Nm-1

290Nm-2

350Nm-2

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What does the area under a force-extension graph represent?

Young's Modulus

Strain Energy

Elastic Potential Energy

Work Done

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Wire with length 0.2m, force of 55N is applied and the wire extends to 310mm. Calculate ΔL

11mm

11m

0.11cm

0.11m

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

What is the point B on the force-extension graph?

Elastic limit

Yield point

Plastic limit

Limit of proportionality

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A solid aluminium cylinder has volume 9.1 x 10-4 m3. The density is 2700 kgm-3. What is the mass to 2 s.f?

3.0kg

2.5kg

2.4kg

2.0kg

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