Potential energy is energy stored in an object due to its position or arrangement . Kinetic energy is energy of an object due to it's movement- its motion.
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The statement about "<span>A wedge is simply a form of an inclined plane" is false. </span><span>The pivot joint
is the lever and the wedge are the blades of the scissors. This is to
efficiently exert force on an object to cut it.</span>
Answer:
An asteroid impact could affect the tilt of the Earth due to the force it applies onto the planet. This would change Earth's seasons due to the fact that Earth's tilt causes seasons.
Answer:
Explanation:
The total force exerted by the man on the chair is equal to his weight:
where m=95.0 kg is the man's mass and g=9.8 m/s^2. Substituting,
Since there are 4 legs, we can assume that the force is equally distributed over the 4 legs; so the force supported by each leg is
The radius of each leg is , so the area of each leg is
And the pressure exerted on each leg is equal to the ratio between the force supported by each leg and the area:
Answer:
For Jin, the speed of the arrow is 13 m/s, and for the archer, the speed of the arrow is 17 m/s.
Explanation:
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