Forces Calculations

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec²

• 102.04 n

• 9,800 n

• 980 n

• 103 n

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

How much force is needed to accelerate a 3kg skateboard at 5m/s^2. 

• 8N

• 1.6N

• 0.6N

• 15N

Tags

NGSS.MS-PS2-2

If you increase the force on an object, its acceleration? 

• decreases

• stays the same

• also increases

• stops

Tags

NGSS.MS-PS2-2

What do each of the letters correctly represent?

• Funny, Monkeys, Arrive

• Force, Mass, Acceleration

• Free, Mass, Access

• Force, Magnesium, Arsenic

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Label the forces acting in this picture.

a

b

c

d

applied force

tension

gravity

normal

Tags

6-8.AG.7.1

Label the forces acting in this picture.

a

b

c

applied

air resistance

gravity

Tags

6-8.AG.7.1

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

• 60 N right

• 10 N left

• 60 n right

• 50 N left

Tags

NGSS.MS-PS2-2

A 50 kg skater pushed by a friend accelerates 5 m/s².  How much force did the friend apply? The answer to this question is most likely (HINT: Look at the units!!!) - 

• 250 N

• 250 m/s²

• 250 kg 

Tags

NGSS.MS-PS2-2

A force of 250 N is applied to an object that accelerates at a rate of 5 m/s².  What is the mass of the object? The answer to this question is most likely (HINT: Look at the units!!!) - 

• 50 N

• 50 m/s²

• 50 kg

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