A____ is a push or pull. A.rubber chicken B.force C.inertia D.Guatamala Bay
What is B.
Which of the following forces refers to the resistance that a body encounters when moving over another body?
A. pressure
B. inertia
C. gravity
D. friction
D. Friction
Amira hits a tennis ball with her racket. The tennis ball flies across the tennis court. She says that hitting the tennis ball is an example of balanced forces.
Is she correct?
A. No, because the forces acting on the ball are equal on all sides.
B. Yes, because the forces acting on the ball are equal on all sides.
C. No, because she hits the ball with more force in the forward direction.
D. Yes, because she hits the ball with more force in the forward direction.
C. No, because she hits the ball with more force in the forward direction.
Celia is riding her bicycle and suddenly realized her brakes are not working. Onto which surface would be the best to steer her bike if she wants to slow
down?
A. grass
B. concrete
C. asphalt
D. tile
A. Grass
Which force must be overcome in order for rockets to achieve lift?
A) Balanced
B) Unbalanced
C) Friction
D) Gravity
What is Gravity
How could the speed of a car be determined?
A. distance and time
B. distance and size
C. weight and time
D. weight and size
A. Distance and Time
Newton's first law of motion states that an object at rest will remain at rest or an object in motion will remain in a constant motion, unless acted on by an
outside force. Another name for this law is the
A. law of acceleration.
B. law of gravity.
C. law of inertia.
D. law of momentum.
C. Law of Inertia
Which of the following can cause a moving object to change direction?
A. acceleration
B. velocity
C. inertia
D. force
B. Velocity