A force of 10N acts on a body of mass 1kg at rest for 10s and the body of mass 1kg at rest through a kinetic energy K1 and . A force of 10N acts on a body of mass 1kg at rest through a distance of 10m and the body acquires a kinetic energy K1. The ratio of K1 to K2 is
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Answer:
A force of 10N acts on a body of mass 1 kg at rest. What is the work done by the body in 4 seconds?
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U=0m/s
F=ma
a=F÷m
So,a=10÷1=10
S=ut+1/2 at×t
=1/2 ×10×16
=80
W=FS
10×80
=800J
What is the work done when the force of 10N acts on the body of mass 1kg in 4 seconds?
What is the work done by the body if the force of 10N acts on the body of mass 1 kg at rest?
A force of 10n is applied on a body of mass 1kg for 5 seconds. It moves 10m What will be its momentum?
A body of mass 5 kg, initially at rest, is moved by a horizontal force of 2N. What is the work done?
A force of 10N is applied on an object of mass 1kg for 2 seconds, which was initially at rest. What is the work done on the object by the force?
Impulse of force F acting on the body which is initially at rest=F ∆t
Or F∆t=m ∆v=∆p=p-0=p
Since work done =KE= p^2/2m
=(F ∆t)^2/2m
=(10×4)^2/2×1
=800 Joul
Zero. The force has to act over a distance to count as work. If the object does not move at all, there is no displacement, and therefore no work done.
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The question is not well-posed. Is the force the only force acting on the body? Is it at rest throughout or just originally? Do you really mean the work done by the body? (Most people would ask about the work done by the force).
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a=F/m=10/1=10m/s^2
S=1/2(at^2)
S=1/2(10*16)=80m
Work done W=F.S=FS
W=10*60=800J
W=800J
Total work done by the body is ZERO. Because it didn't move.
What is the work done when the force of 10N acts on the body of mass 1kg in 4 seconds?
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A force of 10n is applied on a body of mass 1kg for 5 seconds. It moves 10m What will be its momentum?
A body of mass 5 kg, initially at rest, is moved by a horizontal force of 2N. What is the work done?
A force of 10N is applied on an object of mass 1kg for 2 seconds, which was initially at rest. What is the work done on the object by the force?
A body of mass 5 kg is at rest. A force of 10N acts on it. What will be its velocity after 3 seconds?
A body of mass 1kg is at rest. A constant force of 7N acts on it. What is the time taken by the body to move through a distance of 10m?
A force of 10N is applied on a object of mass 1kg for 2 S, which was at initially at rest. What is the work done?
What is the mass of the body of 1 kg?
A force of 100N acts on a body of mass 2kg for 10s. What is the change in momentum of a body?
A partial force of 4N is applied on a body of mass 20kg. What is the work done in the 3rd second?
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A force of 10N is applied on a body of mass 2 kg at rest on a smooth surface, for 5 secs. What is the displacement of body in total time of t=0 to t=10 secs?
A force of 50 Newton acts on a body with a mass of 2 kg at rest for 10 seconds. How much force is required to bring the body into rest in 5 seconds?
Answer:
please go thru your question once again.
you know I answered all you questions so far. you also I don't care for point , as I have acquired in life , student still are worrying about . your question has NO K2 scenario.