Force and Motion: Balanced and Unbalanced Forces

Balanced forces can cause

• an object to speed up or slow down

• an object to stay still or move at a constant speed and direction

How are a push and a pull alike?

• You can hear them both.

• They are both names of cats.

• You can do them both at the same time.

• They are both forces.

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What force moves an object away from you?

• pull

• push

• gravity

• Jedi force

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You push a box 35 N to the right. Your friend pushes the box 25 N in the same direction. What is the net force?

• 60 N balanced to the right

• 60 N unbalanced to the right

• 10 N balanced to the right

• 10 N unbalanced to the right

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What is net force?

• push or pull on an object

• the sum of all forces acting on an object

• the ability to do work by applying force

• the mass and height of an object

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What will causes an object to move?

• unbalanced forces

• balanced forces

• net force

• potential energy

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Every answer choice is a characteristic of a unbalanced force, Except-

• moving at a constant speed

• causes a change in motion

• adding of the forces

• subtracting of the forces

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If a car is traveling faster and faster down a hill, you can be sure that-

• only gravity is acting on the car

• there is no friction acting on the car

• the net force on the car is 0

• unbalanced forces are acting on the object

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If you are pushing a chair 50 N toward your friend and your friend is pulling the chair in the opposite direction, what is the net force?

• net force of 0

• 100 N towards you

• 100 N towards your friend

• 10 N towards you and your friend

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What is the net force?

• 0 N balanced

• 2000 N unbalanced

• 0 N unbalanced right

• 2000 N balanced

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