Torque is equal to force times a level arm. Consider a see-saw that is in balanc

Question

Torque is equal to force times a level arm. Consider a see-saw that is in balance. One object, A is placed a distance D from the fulcrum (balance point) and the other object B, is placed 5 0 from the fulcrum. If the see saw materials in balance, which object weights more? A B Both A and b weigh the same. D. In dependents on how strong gravity is. What makes up the nucleus? protons neutrons electrons both a and b The experiment, which gave the first evidence for the existence of the atomic nucleus, involved which of the following? x-ray scattering radioactive dialing cosmic ray detection alpha scattering The distance light travels in one year in called a light year. It is about 5.00 billion miles and is used to measures distance. At present, it is through that the edge of the universes is about 14 billion light years from earth. Travelling at the speed of the light, how long would it take you reach the present edge of the universe? 600 billion miles 14 billion miles 14 billion years. 5.80 billion light years

Explanation / Answer

30 :Answer :Option A

Explanation: Torque =(force)*(distance from the hinge)

As the see saw is balanced, the torques should be equal. As is located far, it's weight should be less .

31:option :D

Nucleus has both protons and neutrons.

32:option :D

Rutherford gold coil experiment using alpha particles gave first indication of atomic nucleus.

33 : option C

It is given that the distance light travels in one year is called one light year. So, to travel 14 billion light years, it will take 14 billion years

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