Question

1.find the dimensions for
a) centripetal force
b)heat
c)energy
d)work done
e)kinetic energy
f)momentum
g)volume
h)area
i)force
J)pressure
k)time
l)density
m)temperature
2.Give two examples each
a) dimensional constant
b)dimensional variable
c)dimension less constant
d)dimension less variable​

Answer 1

Answer:

1. F=r2kmv2

2. mc triangle t

3. M¹ L² T-²

4. M¹ L² T-²

5. M¹ L² T-²

6. MLT-²

7. density. [M1 L-3 T0].

Explanation:

hope it's helpful

Answer 2

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PART (A) :-

1. [MLT-2]
2. [M1 L2 T-2].
3. [M L2 T-2]
4. [M L2 T-2]
5. [M L2 T-2]
6. [M1 L1 T-1]
7. [L3]
8. [L2]
9. [M L T-2]
10. [M L-1 T-2]
11. [T1]
12. [M L-3]
13. [M0 L0 T0 K1]

PART B:-

1. gravitational constant, electric field constant , efsonal(€) ,etc
2. numerical value might change such as Speed of a vehicle, velocity of a bus, acceleration etc.
3. α, the fine-structure constant, the coupling constant for the electromagnetic interaction (≈ 1⁄137) and μ or β, the proton-to-electron mass ratio, the rest mass of the proton divided by that of the electron (≈ 1836).
4. specific gravity, angle strain.

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