What is a force?

• energy of movement

• something that pushes or pulls

• increasing speed

• outside

Tags

NGSS.MS-PS2-1

What is NOT a way that an object can accelerate?

• decreasing speed

• change in direction

• friction

• increase in speed

What is a force that causes an object to start moving, stop moving, or change direction

• Acceleration

• Unbalanced Force

• Balanced Force

• Inertia

Tags

NGSS.MS-PS2-2

What is the tendency of an object to resist changes in motion

• Acceleration

• Unbalanced Force

• Balanced Force

• Inertia

What is weight?

• the force of gravity on a person or object at the surface of a planet

• the amount of matter in an object

• anything that has mass and takes up space

• force that two surfaces exert on each other when they rub against each other

Tags

NGSS.MS-PS2-4

What is mass?

• the force of gravity on a person or object at the surface of a planet

• the amount of matter in an object

• anything that has mass and takes up space

• force that two surfaces exert on each other when they rub against each other

What is friction?

• the force of gravity on a person or object at the surface of a planet

• the amount of matter in an object

• anything that has mass and takes up space

• force that two surfaces exert on each other when they rub against each other

Newton's 2nd Law: Acceleration depends on an object's _____ and the _____ ________ acting on the object.

• inertia

  gross

  force

• inertia

  net

  force

• mass

  net

  force

• mass

  gross

  force

Tags

NGSS.MS-PS2-2

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

Tags

NGSS.MS-PS2-2

A book falls off the desk. What moves the book towards the floor?

• mass

• friction

• gravity

• speed

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1