3 years ago

Block and tackle is used only in crain why

Physics

2 answers:

SpyIntel [72]3 years ago

8 0

What they said said ^^^^

son4ous [18]3 years ago

7 0

A block and tackle or only tackle is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.

You might be interested in

The fundamental frequency of a musical note is 330Hz. Which harmonic is this?

allsm [11]

Answer:

it is a type of even harmonic

6 0

3 years ago

A rock thrown with a horizontal velocity of 20m/s from a cliff that is 125m above level ground. If air resistance is negligible,

Alexxandr [17]

Answer: c

Explanation: 125/20 =6.25

6 0

3 years ago

A spring oscillator is designed with a mass of 0.231 kg. It operates while immersed in a damping fluid, selected so that the osc

ludmilkaskok [199]

Answer:

.487 s⁻¹

Explanation:

Let damping constant be τ . The equation of decreasing amplitude can be written as

A = A₀ $e^{-\tau t$

A / A₀ = $e^{-\tau t$

At t = 9.43 s , A / A₀ = .01

.01 = $[e^{-\tau\times9.43$

ln.01 = - 9.43 τ

-4.6 = -9.43τ

τ = .487 s⁻¹

4 0

4 years ago

Read 2 more answers

1. Which of the following is NOT a vector quantity? (a) Displacement. (b) Energy. (c) Force. (d) Momentum. (e) Velocity.

dem82 [27]

Answer:

B. energy

Explanation:

A vector has direction.

Energy does not have a direction.

5 0

3 years ago

Plzz Help easy quesion for 20 points Why does someone get burned if they touch an old filament bulb that has been on for a few h

fgiga [73]

Incandescent lights get hot very quickly and therefore can easily burn u or catch fire

5 0

3 years ago

Read 2 more answers

Block and tackle is used only in crain why​

Block and tackle is used only in crain why