Answer:
artificial: light bulb, flash light, computer screens. natural: sun, stars, fires.
Answer:
Explanation:
"the velocity of the block is constant, so the net force acting on the block must be zero. Thus the normal force equals the weight and the force of friction equals the applied force" The only thing which is wrongly stated here is that the normal force equals the weight. Normal force is not always equal to weight. If external force is applied at some angle with the horizon , normal force may be more or less than weight. Even in case of an object placed on an inclined plane , weight is not equal to normal force .
All other parts of the statement are correct.
Answer:
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Answer:
(a). The net gravitational force is
(b). The position is at 0.232 m.
Explanation:
Given that,
Mass of one object M = 255 kg
Mass of another object M'= 555 kg
Separation = 0.390 m
(a). We need to calculate the net gravitational force
Using formula of force
Put the value into the formula
The net gravitational force is
(b). We need to calculate the position
Force from 555 mass = Force from 255 mass
The position is at 0.232 m.
Hence, (a). The net gravitational force is
(b). The position is at 0.232 m.
Answer:
Answer: You write it as 4.42 × 10 ¹⁰ with superscript or 4.42 × 10^10 using a caret