Force, Motion, Machines & Work

Which law of motion is this:  For every force exerted, an equal and opposite force will be exerted on it.

• 1st
• 2nd
• 3rd
• 4th

Which law of motion is this:  An object in motion will stay in motion and an object at rest will stay at rest until acted upon by an unbalanced force.

• 1st
• 2nd
• 3rd
• 4th

Which law of motion does this equation go with:  force = mass x acceleration

• 1st
• 2nd
• 3rd
• 4th

The correct equation to calculate speed is

• distance/time
• time/distance
• distance x time
• distance/time²

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

Name this simple machine. 

• Wheel and Axle
• Lever
• Pulley
• Wedge

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Acceleration: is the rate of change in ___________.

• speed
• distance
• velocity 
• displacement 

When an object resits change, like a body in a turning car, it is called ________________.

• inertia
• force
• friction
• drag force

A force exerted over a distance to move an object is ______________________.

• power
• work
• momentum
• Watt