Which force is done by a person or machine?

• Applied force

• Normal force

• Gravitational force

• Buoyant force

Which force is due to a fluid pushing back on an object?

• Applied force

• Normal force

• Gravitational force

• Buoyant force

Which force is the one that pushes back on an object (opposite gravity)?

• Applied force

• Normal force

• Gravitational force

• Buoyant force

Which force is due to a massive object like the earth?

• Applied force

• Normal force

• Gravitational force

• Buoyant force

Tags

NGSS.MS-PS2-4

Which is the force that opposes motion (think ice skates on ice, shoes on the floor etc.)?

• Tension force

• Spring force

• Air resistance

• Friction force

Which force is a special type of friction due to air?

• Tension force

• Spring force

• Air resistance

• Friction force

Which force is due to objects such as a rope, pulley, cable or wire?

• Tension force

• Spring force

• Air resistance

• Friction force

Which force is due to a stretched or compressed spring (better not miss this one!)?

• Tension force

• Spring force

• Air resistance

• Friction force

An object in free fall will accelerate at 9.8 m/s² until it reaches a point where it is no longer possible to accelerate. What is this called?

• Wind speed

• Terminal velocity

• Friction force

• Air resistance

Tags

NGSS.MS-PS2-4

Is this object balanced or unbalanced? What direction is it accelerating?

• Balanced, not accelerating

• Unbalanced, accelerating left

• Unbalanced, accelerating down

• Unbalanced, accelerating right

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5