An impulsive force is a force that is acting only during a short time, I mean, for an instant. Impulse is a physics magnitude define by the product of the impulsive force and the time that it was acting.
Is there any mistake in my English? Please, let me know.
Answer:
Zero work
Explanation:
Recall that work done on an object is defined as the product of the net force applied to an object times the distance it travels in the same direction as the force.
Since in this case Jim used a given force to push a rock, but it didn't move, then he did zero work (because the distance moved is zero).
Answer:B, universe, galaxy, solar system, earth
Explanation:
A p e x
The shirt absorbs the sunlight, so it appears white. All the light is reflected, so the shirt appears white. The sunlight refracts when it hits the shirt, so the shirt appears white.
