Force and Motion Review

What is the distance traveled by this object? = 13.5 Km

What is the net force acting on the following object? – 4 = 16 N to the right

Which of the following represents an inelastic collision? A (inelastic collision: masses are combined) A B

Which of the following is a scalar? A. Velocity B. Acceleration C. 42 m/s to the right D. Speed E. D. Speed only give magnitude not direction

What does the following graph represent? Decreasing speed or deceleration

Which Newtonian term is used to describe the following situation? Inertia: Newton’s First Law of Motion

A speedometer gives the driver what information? A. Average speed B. Instantaneous speed C. Average velocity D. Overall acceleration Instantaneous Speed

What is the displacement in the following illustration? Zero Displacement: The runner finished where they started. 1 lap = 400 meters

What formula could be used to find the objects displacement?

Which graph would represent the acceleration due to gravity alone? B: Constant Acceleration 9.81 m/s 2

Satellites like the ones used for GPS and our moon are subject to the force of gravity alone. These objects are said to be experiencing… A. Terminal Velocity B. Instantaneous Acceleration C. Free Fall D. Universal Law of Gravitation Free Fall

What force is represented by the green arrow? Normal Force

Force is labeled in what unit of measure? Newton's (N)

The brown box in the second diagram is providing what type of force on the tennis ball? Centripetal Force

What (2) forces must be balanced to keep a satellite in orbit? Inertia Gravity

Determine the cars average speed. Speed = distance / time 5 miles /.2 hrs = 25 mph

What type of friction would the following object most likely experience? Rolling Friction

Why is the velocity of the (2) astronauts less than the velocity of the (1)? Increase in mass. Momentum = Mass x Velocity

For an object to accelerate, it must experience… A. Balanced forces B. Unbalanced forces C. Gravity D. Terminal Velocity Unbalanced Forces

A projectile is an object upon which the only force acting is gravity. What is the shape that describes the motion of a projectile? Parabolic Motion / parabola

What would happen to an individuals mass when moving from planet A to planet B? The persons mass would not change. Mass is the amount of matter in an object.

Which car (red, green, or blue) experiences the greatest acceleration? The blue car has a greater acceleration. It is changing its velocity at a more drastic rate.

Which two spheres will have the greatest gravitational pull? A

Which color car represents graph B? The “Red” car is moving at a constant speed which is represented by graph B.

What must be eliminated for the following illustration to work on Earth? Air Resistance / Fluid Friction.

What has the sky diver reached when the force of gravity equals the force of air resistance? Terminal Velocity

The following illustrations supports what law. Law of Conservation of Momentum

What is the action / reaction pair in the following illustration? (action)Baseball pushes glove to the left. (reaction)Glove pushes baseball to the right.

In which direction would friction act on the following illustration? To the west, friction opposes motion.