Forces that are equal but opposite are called
A. Net force
B. Friction
C. Centripetal force
D. Balanced forces

Which of the following objects has the
greatest inertia?
A. A parked car
B. A baseball during a home run
C. A textbook sitting on a desk
D. A woman running on the sidewalk

John participated in a marathon in which he came
in first place. He ran 5 miles at a speed of ten
minutes per mile. How long did it take John to
finish the marathon?
A. 2 minutes
B. 15 minutes
C. 50 minutes
D. 500 minutes

It is harder to push a full shopping cart than an
empty one. Which of Newton’s laws does this
describe and why?
A. 1st
B. 2nd
C. 3rd
D. 1st and 2nd

A: 4
B: 9
C: 3
D: 8

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created