newton's 2nd law

If you double the mass of an object with the same force apply on it, the acceleration will

• double
• cut in half
• the same
• zero

Tags

NGSS.MS-PS2-2

What happens when unbalanced forces act on an object at rest?

• the object remains at rest
• the object begins moving in an unpredictable direction
• the object begins moving in the direction of the net force
• the object begins moving opposite to the direction of net force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The acceleration produced by a net force on an object is

• inversely proportional to the mass of the object.
• directly proportional to the magnitude of the net force.
• in the same direction as the net force.
•  all of the above

Tags

NGSS.MS-PS2-2

45 m/s² is the... 

• Mass
• Force 
• Acceleration
• weight

Tags

NGSS.HS-PS2-1

What Unit do we Measure Force in? 

• Newtons
• Joules
• grams
• pounds

A ball is rolling on the floor and a force pushes it in the same direction as rolling, what will happen?

• The ball will go faster.
• The ball will slow down.
• The ball will stop. 
• The ball will fly in the air.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

If an object was accelerating at 10 m/s², and a force of 10 newtons was required to accelerate it, what was the object's mass?

• 1 kilogram
• 10 kilograms
• 2 kilograms
• 5 kilograms

Tags

NGSS.MS-PS2-2

The units of acceleration, m/s², are equivalent to which?

• N/kg
• N/kg²
• kg/N
• kg/N²

Tags

NGSS.HS-PS2-1

A 10-kg brick and a 1-kg book are dropped in a vacuum. The force of gravity on the 10-kg brick is

• 10 times as much as the force on the 1-kg book
•  zero.
• the same as the force on the 1-kg book.
• none of the above

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

When a woman stands with two feet on a scale, the scale reads 280 N. When she lifts one foot, the scale reads .

• less than 280 N
• more than 280 N. 
• 280 N.
• 140 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4