2nd Law of Motion

What is the equation for Newton's 2nd law?

• a = bc
• F = m/a
• F = ma
• a = b/c

Tags

NGSS.MS-PS2-2

What are the SI units for acceleration?

• kg

• N

• m/s

• m/s²

Tags

NGSS.MS-PS2-2

When mass is 10 kg, acceleration is 2 m/s/s, what is force?
F = ma

• 5 N
• 20 N
• 8 N
• 12 N

Tags

NGSS.MS-PS2-2

The larger the mass you have the _____ force you need to change its motion.

• more
• less

Tags

NGSS.MS-PS2-2

A 50-kg crate is pushed with a horizontal acceleration of 20 m/s². What net force is acting on the crate?

• 2.5 N

• 0.4 N

• 1000 N

• 30 N

Tags

NGSS.MS-PS2-2

The SI units for force are...

• Kilograms
• Newtons
• Meters per second
• Pounds

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)

• The one with a mass of .78 kg will have the greatest acceleration.

• The one with a mass of .52 kg will have the greatest acceleration.

• They will both accelerate at the same rate.

Tags

NGSS.MS-PS2-2

A 20 kg bike accelerates at 10 m/s². what was the force?

F = m x a

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box? 

• 18N left
• 18N right
• 2N right
• 2N left

Tags

NGSS.MS-PS2-2

If net force acting on object is 0, then the force is considered to be..

• Balanced
• Unbalanced
• Equal in Direction
• Distance/Time