Newton's second law

An object's velocity can be changed by changing its speed, its direction, or both.

• True
• False

The increasing speed of a falling object is caused by _____________.

• force
• mass
• speed
• gravity

Tags

NGSS.MS-PS2-4

One kg multiplied by m/s² can also be expressed as 1 __________.

• direction
• mass
• kilogram²
• newton

Tags

NGSS.HS-PS2-1

Newton's second law of motion describes acceleration as force divided by __________.

• mass
• inertia
• speed
• direction

Tags

NGSS.MS-PS2-2

Accelerations are produced by

• forces.
•  velocities.
•  accelerations.
•  masses.

Tags

NGSS.MS-PS2-2

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

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

Tags

NGSS.MS-PS2-2

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Tags

NGSS.MS-PS2-2

What Unit do we Measure Force in? 

• Newtons
• Joules
• Force
• Don't know

F=MA
An object of mass 10 kg is accelerated upward at 2 m/s².  What force is required? 

• 20 N
• 2 N
• 5 N
• 0 N

Tags

NGSS.MS-PS2-2

20 N is the

• mass

• energy

• force

• acceleration

Tags

NGSS.MS-PS2-2