It took 150 J of work to push a chair 10 m across the floor. What was the amount of force
used?

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?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon