Mechanics revision

The SI unit for kinetic energy, potential energy and work is 

• Watts
• Newtons
• Joules
• ms-1

Does the speedometer of a car read average speed or instantaneous speed?

• average speed
• instantaneous speed

An object at rest will _______ if no outside forces are applied.

• Stay at rest
• Increase Velocity
• Decrease Mass

The SI units for force are...

• Kilograms
• Newtons
• Meters per second
• Pounds

What is kinetic energy?

• When an object is in motion
• When an object is not in motion
• all of the above
• none of the above

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic

Energy can not be created or destroyed, only converted from one form to another.

• true
• false

Which of these animals would probably cause the greatest pressure on the ground?

• A fat cow with big feet
• A fat cow with small feet
•  A calf with big feet
• A calf with small feet

What is the unit used to measure work?

• Joule
• Watt
• Newton
• Pascal

What is the unit used to measure Power?

• Joule
• Watt
• Newton
• Pascal