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primary 6 | Science
2 Answers Below
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Why is the answer not 1?
similarly, potential energy and friction are also dependent on the mass of the object.
answer should be (4) ... reason : kinetic energy is energy possess by MOVING objects. when the cylinders are resting, what is their kinetic energy?
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Potential energy(stored energy in the cylinder) ->(converted to) kinetic energy(rolling down the ramp.)
Or the answer key might be wrong.
But do remember that gravitational force/gravity acts on everything,whether it is flying or lying on the ground, or whether it is moving or stationary.
Hope this helps!