Mstep

When there is a change in an object's motion, what is caused?

• balanced force

• net force

• unbalanced force

Tags

NGSS.MS-PS2-2

When forces are equal from both sides, this is called...

• unbalanced force

• balanced force

• gravity

• acceleration

What are the two factors that affect the force of gravity?

• distance and time

• mass and speed

• mass and distance

Tags

NGSS.MS-PS2-4

What is mass?

• The amount of matter in an object

• The measurement of force placed on an object due to the acceleration of gravity acting on the object's mass

What is weight?

• The amount of matter in an object

• The measurement of force placed on an object due to the acceleration of gravity acting on the object's mass

Tags

NGSS.MS-PS2-4

The force that two surfaces exert on each other as they pass by one another is called...

• friction

• gravity

• balanced force

• net force

Friction that acts on objects that aren't moving

• sliding friction

• static friction

• rolling friction

• fluid friction

Friction that occurs when one object rolls across another object

• static friction

• sliding friction

• rolling friction

• fluid friction

Friction that occurs when a solid moves through a liquid.

• static friction

• sliding friction

• rolling friction

• fluid friction

The natural tendency of an object to resist change in motion.

• force

• mass

• inertia

• gravity