Which of the following is an example of exerting a force..., A child running through a house, A kite soaring through the sky, A horse speeding down a track, A carpenter hammering a nail, What happens when two forces move in he same direction?, The stronger one prevails and forces it to move, They cancel each other out and it can’t move, They add together, Their sum invited by two is the total force, The force that one surface exerts on another when the two rub against each other is called, Friction, Acceleration, Inertia, Gravity, Which of the following is an example of rolling friction?, Your shoes on a sidewalk, Bike tires on the road, Two hands rubbing together, Cleat on shoes, Air resistance is a type of..., Gravity, Centripetal force, Friction, Velocity, The achievement of lifting a rocket off the ground and into space can be explained by Newton’s _______________ law., Theory of relativity, Noble gasses, Gravitational pull upwards, Third law of motion, Any force that causes an object to move in a circle is called a (an), Gravitational force, Centripetal force, Unbalanced force, Balanced force, In physical science, a push or a pull is called (a/an), Acceleration, Force, Motion, The law of convocation motion, How can you increase the momentum of an object?, By increasing the mass of an object, By using as scale to se how much the object weighs, By decreasing the mass of an object, By increasing the speed of an object, Balanced forces acting on an object, Are not related to motion, Never change the object’s motion, Sometimes change the objects motion, Always change the object’s direction, When an object’s distance from another object is changing,, It is motion, It is speeding, It has a high velocity, It is accelerating, Speed equals distance divided by, Time, Velocity, Motion, Size, When you know both the speed and direction of an object’s motion, you know the, Speed of th object, Velocity of the object, Acceleration of the object, Distance of the object, To determine the acceleration rate of an object, you must calculate the change in speed during each unit of, The rate at which a object is moving at a given instant, Equivalent to velocity, The total distance traveled divided by the total time, The rate at which the slope changes, Average speed is, The total distance traveled divided by the total time, The rate at which an object is moving a a given instant, Equivalent to velocity, The rate at which the slope changes, If you know the distance an object has traveled in a certain amount of time, you can determine, How big the object is, the location of the object, the speed of the object, the acceleration of the object, It is rare for any motion to, change quickly, stay the same for very long, decrease in speed, stop quickly, If a bicyclist travels 30 kilometers in two hours, her average speed is, 2 km/h, 15 km/h, 12 km/h, 35 km/h, Which of the following is the correct equation for acceleration?, acceleration= initial speed 5 + final speed, acceleration = final speed - initial speed x speed, acceleration = time + final speed divided by distance, acceleration = initial speed x time divided by velocity, In an acceleration graph showing speed versus time, a straight line shows the acceleration is, changing speed, constant speed, slowing speed, increasing speed

Study guide for Physical science

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