How can a machine make work easier for you?
a)by decreasing the amount of work you do on an object
b)by changing the direction of your applied force
c)by increasing the work done by the machine
d)none of the above

For which pair of objects would adding the same a

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?