Forces

What happens when two forces act in the same direction?

• They cancel each other out.
• The stronger one prevails.
• Their strengths are added.
• Their sum divided by the two is the total force.

Tags

NGSS.3-PS2-1

__________ is the sum of all forces acting on an object. It is capable of accelerating a mass. 

• velocity
• gravity
• net force
• distance

Tags

NGSS.MS-PS2-2

When you swim in a pool,

• sliding friction occurs
• static friction occurs
• rolling friction occurs
• fluid friction occurs

When you push a stationary desk, what type of friction are you having to overcome?

• sliding friction

• static friction

• rolling friction

• fluid friction

As distances increases, gravitational forces ____________.

• decrease
• increase
• stay the same
• friction

The amount of matter in an object

• weight
• force
• gravity
• mass

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What does the force of gravity on an object depend on? 

• mass and distance between objects
• the mass only
• distance to the center of the earth
• the force of gravity on all objects is exactly the same

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

What is the standard unit of force measured in?

• Newtons
• pounds
• grams
• meters

Objects tendency to resist a change in motion

• Friction
• Inertia
• Force
• Gravity