Free Printable 6thsem

1.

The unit of angular acceleration is

a)

meter/sec

b)

radian/sec

c)

meter/sec²

d)

radian/sec²

2.

Transverse acceleration is given by

a)

$\frac{\text{d}^2x}{\text{d}t^2}-r\left(\frac{\text{d}\theta}{\text{d}t}\right)^2$

b)

$2\frac{\text{d}r}{\text{d}t}\cdot\frac{\text{d}\theta}{\text{d}t}+r\frac{\text{d}^2\theta}{\text{d}t^2}$

c)

$\frac{\text{d}}{\text{dt}}\left(r^2\frac{\text{d}\theta}{\text{d}t}\right)$

3.

Normal velocity of a particle at any point of a plane curve is equal to

a)

$\frac{v^2}{\rho}$

b)

$v\frac{\text{d}v}{\text{d}s}$

c)

$\frac{\text{d}s}{\text{d}t}$

d)

none of the above

4.

Tangential velocity of a particle moving along plane curve is its whole velocity.

a)

True

b)

False

5.

The radius of curvature of a circle is equal to

4 lines

6.

Mass of a body is

a)

scalar quantity

b)

vector quantity

c)

may be both

7.

Which law is also called law of inertia?

a)

Ist law of motion

b)

2nd law of motion

c)

3rd law of motion

8.

Observe figure carefully & choose correct statement.

a)

velocity of surface is increasing

b)

velocity of surface is decreasing

c)

velocity of surface is constant

9.

Find the correct result. Remember the maths is always exact.

1+4 = 5

2+ 5 = 12

3+6 = 21

5+8 = _

4 lines

10.

Choose correct equation of motion for figure.

a)

100g - R = mf

b)

100g + R = mf

c)

R - 100g = mf

d)

R = mg

11.

Which of following is a vector quantity?

a)

velocity

b)

speed

c)

both velocity & speed

d)

neither velocity nor speed

12.

Bouncing ball is an example of...

a)

ist law of motion

b)

2nd law of motion

c)

3rd law of motion

6thsem

Total questions: 12

Worksheet time: 5mins

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