Understanding Applied Forces

What is an applied force?

• A force that is exerted on an object

• A force that is not exerted on an object

• A force that is only exerted by machines

• A force that is only exerted by humans.

Fill in the blank: In Scenario 2 of the lab, you held an object up by _______ it upward.

• pulling

• pushing

• ignoring

• hiding

Tags

NGSS.MS-PS2-4

What might happen if you apply more force to an object?

• It may change direction

• It will disappear

• It will become invisible

• It will change color.

Tags

NGSS.MS-PS2-2

Fill in the blank: To keep the bucket from falling, you need to _______ harder.

• pull up

• push down

• ignore

• hide

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is a normal force?

• A force that acts parallel to a surface

• A force that acts perpendicular to a surface

• A force that acts in a circular motion

• A force that acts in a random direction.

The normal force acts in a direction ______ to the surface.

• parallel

• perpendicular

• diagonal

• circular

Which direction does the normal force act when you lean against a wall?

• Vertically upward

• Horizontally outward

• Diagonally downward

• In a circular motion.

Tags

NGSS.HS-PS2-1

What keeps an object from falling when it is resting on a surface?

• Gravity

• Normal force

• Friction

• Air resistance

What is the relationship between the push and the distance traveled?

• Directly proportional

• Inversely proportional

• No relation

• Exponentially proportional

Which of the following is an example of an applied force?

• The force of gravity acting on a falling apple.

• The force exerted by a person pushing a shopping cart.

• The force of friction between a car's tires and the road.

• The tension in a rope holding a swing.