Force Newtons Laws Electromagnetism

If the forces acting on a object are BALANCED then the object...

• Is moving at a constant acceleration
• Is moving at a constant velocity or at rest
• Is at rest
• has a velocity of zero

What forces are acting on a Mini Cooper driving down Windy Hill Rd with an acceleration of 0m/s²?

• normal, friction, applied, gravity
• natural, normal, gravity, friction
• gravity, normal
• no forces are acting on the object

What is the net force of a falling rock that has a mass of 10kg?

• 98 J
• 98 kg
• 98 N
• Not enough information to answer question

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the action force of a person jumping off a diving board into the water

• going up in the air
• pushing down on the diving board
• going into the water
• going forward through the air

Tags

NGSS.MS-PS2-1

Unbalanced forces cause an object to _____.

• remain motionless
• move at constant velocity
• speed up, slow down, or change direction

Tags

NGSS.MS-PS2-2

Newton's First Law of Motion is also known as the Law of _____.

• Inertia
• Conservation of Mass
• Action and Reaction
• Mass and Acceleration

The tendency of an object to resist changes in its motion is called _____.

• stubborness
• momentum
• inertia
• laziness

TRUE or FALSE: If you wish to speed up, slow down, or change direction in your car, you need to apply an UNBALANCED force to the car.

• TRUE
• FALSE

Tags

NGSS.MS-PS2-2

A rocket accelerating upward from a launch pad is an example of _____.

• balanced forces
• unbalanced forces
• zero forces

Tags

NGSS.MS-PS2-2

A book resting on a desk is an example of _____.

• balanced forces
• unbalanced forces
• centrifugal forces