Force & Motion Review

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Velocity is both ____ and _____. 

• speed , direction 
• direction, mass
• volume, density 
• direction, magnitude 

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed 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

Find the net force: 15 N to the right, and another 15 newtons to the right.

• 0 N Right
• 0 N Left
• 30 N Left
• 30 N Right

Tags

NGSS.MS-PS2-2

An objects tendency to stay at rest or resist a change in motion

• Inertia
• Force
• Acceleration
• Reaction

Any change in an objects speed or direction

• Inertia
• Force
• Acceleration
• Reaction

A push or a pull measured in Newtons

• Inertia
• Force
• Acceleration
• Reaction

A rocket with less ________ will have a greater acceleration.

• Mass
• At Rest
• Reaction
• Resist

Tags

NGSS.MS-PS2-2

Newton's 2nd Law demonstrates the relationship between force, mass and acceleration. How do we calculate force?

• Mass x Acceleration
• Mass/ Acceleration
• Mass- Acceleration
• None of the Above