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What is the speed of a bobsled whose distance/time graph indicates that it traveled 100 m in 25 seconds?
decreasing mass.
the force is not in the direction of the object’s motion.
7.5 J
4 m/s
exerts an equal force back on the hammer.
the amount of time needed to travel the distance.
energy
15 km/h
If a bicyclist travels 30 kilometers in two hours, her average speed is _______________.
decreasing mass.
the force is not in the direction of the object’s motion.
7.5 J
4 m/s
exerts an equal force back on the hammer.
the amount of time needed to travel the distance.
energy
15 km/h
If you exert a force of 10.0 N to lift a box a distance of 0.75 m, how much work do you do?
decreasing mass.
the force is not in the direction of the object’s motion.
7.5 J
4 m/s
exerts an equal force back on the hammer.
the amount of time needed to travel the distance.
energy
15 km/h
One way to increase acceleration is by
decreasing mass.
the force is not in the direction of the object’s motion.
7.5 J
4 m/s
exerts an equal force back on the hammer.
the amount of time needed to travel the distance.
energy
15 km/h
Speed is the ratio of the distance an object moves to
decreasing mass.
the force is not in the direction of the object’s motion.
7.5 J
4 m/s
exerts an equal force back on the hammer.
the amount of time needed to travel the distance.
energy
15 km/h
According to Newton’s third law of motion, when a hammer strikes and exerts force on a nail, the nail
decreasing mass.
the force is not in the direction of the object’s motion.
7.5 J
4 m/s
exerts an equal force back on the hammer.
the amount of time needed to travel the distance.
energy
15 km/h
A force acting on an object does no work if...
decreasing mass.
the force is not in the direction of the object’s motion.
7.5 J
4 m/s
exerts an equal force back on the hammer.
the amount of time needed to travel the distance.
energy
15 km/h
What is transferred by a force moving an object through a distance?
decreasing mass.
the force is not in the direction of the object’s motion.
7.5 J
4 m/s
exerts an equal force back on the hammer.
the amount of time needed to travel the distance.
energy
15 km/h
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