a horizontal force is applied to a 4.0 kg box. the box starts from rest moves a horizontal distance of 8.0 meters and obtains a velocity of 6.0 m/s. the system is frictionless. the horizontal force is: a. 3.0 n. b. 5.0 n. c. 7.0 n. d. 9.0 n. e. 11 n.

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10-11-2022
Physics

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a horizontal force is applied to a 4.0 kg box. the box starts from rest moves a horizontal distance of 8.0 meters and obtains a velocity of 6.0 m/s. the system is frictionless. the horizontal force is: a. 3.0 n. b. 5.0 n. c. 7.0 n. d. 9.0 n. e. 11 n.

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rekharaypriti8910 rekharaypriti8910 · Answer 1 · 2022-11-16T01:28:53-05:00

According to Newton's first law, an object will accelerate at a constant rate if its net force is zero. The calculated value is 39.2 N

This indicates that the velocity is constant but does not necessarily imply that the item is at rest.

F = m a

= 4 kg x 2.5 m/s/s x 10 N, correct.

The formula for Fgrav is:

Fgrav = m • g

= 4 kg • 9.8 m/s/s

= 39.2 N since the mass is known.

The normal force is equivalent to the gravitational force since there is no vertical acceleration. A force in physics is any interaction that, if left unchecked, will alter an object's motion. An object with mass can change its velocity due to a force, which includes starting to move from a state,

Learn more about velocity here-

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