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 Please select the best answer from the choices provided.
If two objects of unequal mass collide, both objects will continue to move in the direction of __________.A.the smaller object's momentumB.the larger object's momentumC.the smaller object's resistanceD.the larger object's resistance Please select the best answer from the choices provided.
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 Please select the best answer from the choices provided.
A parachute works because the canvas of the parachute is acted upon by __________. A. air resistance B. gravity C. velocity D. momentum Please select the best answer from the choices provided.
One consequence of Newton's third law of motion is that __________.A.every object that has mass has inertiaB.a force acting upon an object increases that objects accelerationC.all actions have equal and opposite reactionsD.none of the above Please select the best answer from the choices provided.
Without the force of friction, people would not be able to walk.
The aerobic system starts producing energy during prolonged periods of light to moderate exercise.
Human movement involves the complex interplay of many body systems.
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 Please select the best answer from the choices provided.
Gravity is an attractive force that decreases as the mass of an object increases.
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