For each of the following forces, give what produces it, what object it acts on,

Question

For each of the following forces, give what produces it, what object it acts on, its direction, and the reaction force.
(a) The force you exert on your briefcase as you hold it while standing at the bus stop.
You produce this force.
The briefcase produces this force.
The reaction force is the force the briefcase exerts on your hand.
It acts on you.
The reaction is the force you exert on the briefcase.
It acts upward.
It acts on the briefcase.
It acts downward.



(b) The normal force on the soles of your feet as you stand barefooted on a horizontal wood floor.
It acts upward
The reaction force is the force your feet exert on the floor.
The floor produces this force.
The reaction force is the force the floor exerts on your feet.
It acts on the floor.
It acts on your feet.
It acts downward.
Your feet produce this force.


(c) The gravitational force on you as you stand on a horizontal floor.
The reaction force is the gravitational force Earth exerts on you.
Earth produces this force.
You produce this force.
It acts on you.
It acts upward.
It acts on Earth.
It acts downward.
The reaction force is the gravitational force you exert on Earth.


(d) The horizontal force exerted on a baseball by a bat as the ball is hit straight up the middle toward center field for a single.
It acts horizontally.
The reaction force is the force the ball exerts on the bat.
The reaction force is the force the bat exerts on the ball.
It acts on the bat.
The ball produces this force.
The bat produces this force.
It acts on the ball.
It acts vertically.

Explanation / Answer

. (a) The force you exert on your briefcase as you hold it while standing at the bus stop. Ans-It acts on the briefcase.Hand produces it.The reaction force is the force the briefcase exerts on your hand. It acts downwards. b) The normal force on the soles of your feet as you stand barefooted on a horizontal wood floor ans-It acts on the floor. Your feet produce this force.The reaction force is the force the floor exerts on your feet. It acts on your feet.reaction force acts upwards c)The horizontal force exerted on a baseball by a bat as the ball is hit straight up the middle toward center field for a single Ans- It acts on the ball.The bat produces this force The reaction force is the force the ball exerts on the bat

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