Asvab mechanical comprehension!

Transferring energy through force am over a distance is called ___.

• Potential energy.

• Kinetic energy.

• Work.

• Motion.

When an object can rearrange itself and then restore its original shape later, it has ___.

• Elastic energy.

• Spring energy.

• Gravitational energy.

• Chemical energy.

The formula for gravitational potential energy is ___.

• Pe=mg/h.

• Pe=mgh.

• Pe=m/gh.

• Pe=mh/g.

If a sailor who weighs 64 kilograms is running at a rate of 8 meters per second, what is his kinetic energy?

• 4,096 joules.

• 131,072 joules.

• 256 joules.

• 2,048 joules.

Work is ___.

• Force time distance.

• Force times distance multiplied by 1/2.

• Force divided by distance squared.

• Force divided by distance.

What unit is used to measure work?

• Newtons.

• Joules.

• Meters.

• Kilograms.

Gravitational pull on earth is ___.

• 9.8m/s2.

• 32.2m/s2.

• 9.8m2/s.

• 98m/s.

Newtons second law of motion states that ___.

• An object in motion tends to stay in motion.

• An object at rest tends to stay at rest.

• The acceleration of an object is directly proportionate to the net force acting on it.

• For every action, there’s an equal and opposite reaction.

If you run 6.2 miles in 31 minutes, what is your speed?

• 1 mile every 4 mins.

• 2/10 of a mile every minute.

• 2 miles every 6 minutes.

• 6/10 of a mile every 2 minutes.

When you’re driving due north at 60 miles per hour, what type of motion do you use?

• Constant acceleration.

• Gravitational acceleration.

• Constant negative speed.

• Constant velocity.