P.E. Test 4- Integrated Movement 3

One consequence of Newton’s third law of motion is that __________.
A. every object that has mass has inertia
B. a force acting upon an object increases that objects acceleration
C. all actions have equal and opposite reactions
D. none of the above

C. All actions have equal and opposite reactions.

An object with a mass of 90 grams, moving at a constant velocity of 6 meters per second, has __________.
A. a momentum of 540 gram meters per second
B. an acceleration of 10 meters per second squared
C. a momentum of 90 gram meters per second
D. an acceleration of 6 meters per second squared

A. A momentum of 540 gram meters per second.

Human movement involves the complex interplay of many body systems.

Please select the best answer from the choices provided.

True
False

True

If two objects of unequal mass collide, both objects will continue to move in the direction of __________.
A. the smaller object’s momentum
B. the larger object’s momentum
C. the smaller object’s resistance
D. the larger object’s resistance

B. The larger object’s momentum.

According to Newton’s third law of motion, if you push against a wall, the wall will __________.
A. attract you with its low gravity
B. fall over once you overcome its inertia
C. push against you with equal force
D. heat up due to energy transfer

C. Push against you with equal force.

Assuming 50% efficiency, 150 kcals of chemical energy would result in __________ of kinetic energy.
A. 50 kcals
B. 75 kcals
C. 100 kcals
D. 150 kcals

B. 75 kcals

Which of the following statements about air is TRUE?
A. Air is not a source of resistance.
B. Air has mass, but not inertia.
C. Air is not affected by human movement.
D. None of these statements are true.

D. None of these statements are true.

Real-world efficiencies are generally very high, in the 90 percent range.

Please select the best answer from the choices provided.

True
False

False

Deliberate practice is unnecessary to gain expertise.

Please select the best answer from the choices provided.

True
False

False

The energy derived from the digestion of food is __________.
A. kinetic energy
B. inertia
C. momentum
D. chemical energy

D. Chemical Energy

The aerobic system starts producing energy during prolonged periods of light to moderate exercise.

Please select the best answer from the choices provided.

True
False

True

Without the force of friction, people would not be able to walk.

Please select the best answer from the choices provided.

True
False

True

A parachute works because the canvas of the parachute is acted upon by __________.
A. inertia
B. gravity
C. velocity
D. momentum

A. Inertia

It is impossible to destroy __________.
A. motion
B. momentum
C. energy
D. velocity

C. Energy

Friction is a force in which two objects __________.
A. collide and move in one direction
B. are repelled from each other
C. slide against each other
D. are attracted from a distance

C. Slide against each other

Gravity is an attractive force that decreases as the mass of an object increases.

Please select the best answer from the choices provided.

True
False

False