A 5.0 cm long straight piece of thread is kept on the surface of water. Find the force with which the surface on one side of the thread pulls it. Surface tension of water = 0.076 N/m.
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When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by (a) the cart on the horse
(b) the ground on the horse Explanation: The horse pushes the ground in the backward direction and, in turn, the ground pushes the horse in the forward direction, according to Newton’s third...
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A 5.0 cm long straight piece of thread is kept on the surface of water. Find the force with which the surface on one side of the thread pulls it.
Length of the thread, L = 5.0 cm =0.05 m The surface tension of the water, S = 0.076 N/m Hence the force of surface tension on one side of the thread...
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A piece of charcoal and a piece of shining steel of the same area are kept for a long time in an open lawn in bright sun.
The correct answer is (c) (d) (c) If both are picked up by bare hands, the steel will be felt hotter than the charcoal. (d) If the two are picked up from...
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Find the surface energy of water kept in a cylindrical vessel of radius 6.0 cm. Surface tension of water = 0.075 J/m^2.
Thanks for the answer I was confused what to take area thanks
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Find the surface energy of water kept in a cylindrical vessel of radius 6.0 cm. Surface tension of water = 0.075 J/m^2.
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Find the surface energy of water kept in a cylindrical vessel of radius 6.0 cm. Surface tension of water = 0.075 J/m^2.
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When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by (a) the cart on the horse
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When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by (a) the cart on the horse
1 Answers
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A spring of force constant k is cut into two pieces such that one piece such that one piece is double the length
correct answer is (B) (3/2)k.
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A monkey pulls along the ground mid point of a 10m long light inextensible string connecting two identical objects A & B
The constant force applied by monkey is 2.
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