FMA Practice Problems

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec

• 102.04 n

• 9,800 n

• 980 n

• 103 n

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

• 100 m/s²

• 25,000 m/s²

• 10 m/s²

• 25 m/s²

Tags

NGSS.MS-PS2-2

A 50 kg skater pushed by a friend accelerates 5 m/sec².  How much force did the friend apply?

• 45 N

• 15 N 

• 10 N

• 250 N

Tags

NGSS.MS-PS2-2

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec².  What is the mass of the object?

• 100kg 

• 1,250kg

• 50kg

• 5kg

Tags

NGSS.MS-PS2-2

You give a shopping cart a shove down the isle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 3 m/s2. How much force did you exert on the cart?

• 6N

• 54N

• 21N

• 18N

Tags

NGSS.MS-PS2-2

What is the force of an object with a mass of 30 kg and an acceleration of 10 m/s2?

• 300

• 3

• 20

• 40

Tags

NGSS.MS-PS2-2

What is the mass of an object that is accelerating 60 m/s2 when a force of 3000N is exerted?

• 5

• 3060

• 50

• 180000

Tags

NGSS.MS-PS2-2

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²

• 18 m/s²

• 16 m/s²

• 16 m/s

Tags

NGSS.MS-PS2-2

A box at rest starts sliding down an inclined plane for 3 seconds, until it reaches a velocity of 27 m/s. What is the boxes acceleration?

• 30 m/s

• 24 m/s²

• 9 m/s²

• 81 km/hr

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

A motorcycle rider increases his speed from 25 m/s to to 55 m/s in 10 seconds. What was its rate of acceleration?

• 2.5 m/s²

• 4 m/s²

• 3 m/s

• 3 m/s²

Tags

NGSS.MS-PS2-2