A ball hangs on a string. The force of tension (Ft) in the string is 15n. The force due to gravity (Fg) pulls the ball down with
1 answer:
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Answer:
a)
Explanation:
From the question we are told that:
Open cart of mass
Speed of cart
Mass of package
Speed of package at end of chute
Angle of inclination
Distance of chute from bottom of cart
a)
Generally the equation for work energy theory is mathematically given by
Therefore
Answer:
The correct option is D
Explanation:
This question is incomplete because of the absence of the setup which as been attached below. The setup shows/determines/tests the friction of wood (which is a block material), since Jerry wants to test the friction between different types of materials, he will have to replace the wooden block with another type of block material of choice so as to determine the friction of that also.
In order to have a comprehensive experiment, Jerry can use 4-5 different types of block material in the course of the experiment.
