Free Printable Mechanics, Properties of Matter and Sound

1.

1. The Kinetics energy of rotation is given by

a)

a) 1/2 mv²

b)

b) ½ Iω²

c)

c) mc²

d)

d) mgh

2.

2. The principle of rocket is

a)

a) Conservation of mass

b)

b) conservation of angular momentum

c)

c ) conservation of linear momentum

d)

d) conservation of energy

3.

3. The dimension for torque is

a)

a) MLT-²

b)

b) ML²T-²

c)

c) MLT-^1`

d)

^` d) ML²T-¹

4.

4. Power is measured in

a)

a) Watt

b)

b) m

c)

c) Joule

d)

d) cm

5.

5. Gravitational constant G is

a)

a) 6.668 * 10-¹¹

b)

b) 6.66 * 10¹¹

c)

c) 66.6 * 10¹¹

d)

d) 66.6 * 10-¹¹

6.

6. The poisson ratio varies between

a)

a) 0 to 1

b)

b) 0 to 0.5

c)

c) 0.5 to 1

d)

d) none of these

7.

7. The frequency of ultrasound waves is

a)

a) Less than 20 Hz

b)

b) equal to 20 KHz

c)

c) greater than 20 KHz

d)

d) none of the above

8.

8. The unit of moment of interia is

a)

a) Kg-m

b)

b) kg-m²

c)

c) kg²-m

d)

d) kg²-m²

9.

The substance which exhibits practically no elastic after effects is

a)

a) Copper

b)

b) silk

c)

c) rubber

d)

d) quartz

10.

10. Discovered a universal law of gravitation

a)

a) Newton

b)

b) Planck

c)

c) Curie

d)

d) Kepler

Mechanics, Properties of Matter and Sound

Total questions: 10

Worksheet time: 6mins

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