Physics Concepts Review: Motion and Forces
Explore essential concepts in physics related to motion and forces, including forces acting against falling objects, gravitational forces, momentum, inertia, and more. Test your knowledge with questions on gravity, air resistance, satellite orbits, and the law of universal gravitation.
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WHAT FORCE ACTS AGAINST THE MOTION OF A FALLING OBJECT ON EARTH? A. Gravity B. Air Resistance C. Inertia D. Mass
ON THE MOON, A HAMMER AND A FEATHER FALL AT THE SAME RATE. ON EARTH, THE HAMMER WILL FALL FASTER THAN THE FEATHER. WHICH OF THE FOLLOWING STATEMENTS BEST EXPLAINS THIS? A. There is no air resistance on the moon B. There is no gravity on the moon. C. There is more gravity on Earth than on the moon. D. The hammer has more mass and thus more air resistance.
SATELLITES ORBIT IN SPACE AROUND THE EARTH. WHAT FORCE CAUSES THEM TO CONTINUE IN THEIR CIRCULAR PATH? A. Terminal velocity B. Weight C. Friction D. Centripetal force
THE LAW OF UNIVERSAL GRAVITATION STATES THAT ANY TWO OBJECTS IN THE UNIVERSE A. Attract each other B. Repel each other C. Combine to provide a balanced force D. Create friction
IN WHICH SITUATION WOULD THE OBJECTS HAVE THE GREATEST GRAVITATIONAL FORCE? A. Two 2kg objects that are 1m apart B. Two 2kg objects that are 2m apart C. Two 10kg objects that are 1m apart D. Two 10kg objects that are 2m apart
WHEN THE FORCE OF AIR RESISTANCE ACTING ON A FALLING OBJECT EQUALS THE WEIGHT OF THE OBJECT, IT IS KNOWN AS A. Gravity B. Inertia C. Terminal velocity D. Momentum
HOW CAN YOU INCREASE THE MOMENTUM OF AN OBJECT? A. By decreasing its velocity B. By increasing its mass C. By increasing its friction D. By decreasing its acceleration
THE TENDENCY OF AN OBJECT TO RESIST A CHANGE IN ITS MOTION IS KNOWN AS A. Mass B. Inertia C. Force D. Balance
THE GREATER THE MASS OF AN OBJECT A. The easier the object starts moving B. The greater its inertia C. The more balanced it is D. The more space it takes up
THE FORCE OF GRAVITY ON A PERSON OR OBJECT ON THE SURFACE OF A PLANET IS CALLED A. Mass B. Terminal velocity C. Weight D. Free fall
WHAT ONE WORD TERM CAN BE USED TO DESCRIBE THE DIFFERENCE BETWEEN SPEED AND VELOCITY? A. Direction B. Time C. Force D. Mass
LIFTING A ROCKET OFF THE GROUND AND INTO SPACE CAN BEST BE EXPLAINED BY A. Inertia B. Acceleration depends on mass and force C. Action-reaction forces D. Weight is affected by mass and gravity
You have one ball that is dropped and another that is shot out at the exact same time from the same height. Which ball hits the ground first? Explain Same time effect of air resistance the same for each because same surface area and volume Same force of gravity pushing down
An ice skater is skating forward on the ice. Either describe all the forces acting on the ice skater or draw a diagram labeling all of the forces. Explain which pair of forces are balanced forces. gravity gravity & ground are balanced sliding friction & air resistance push ground
A book is sitting on the dashboard of a car that is stopped at a traffic light. As the car starts to move forward, the book slides backward off the dashboard. Use the term inertia to explain what happened. The book wants to stay at rest because of its inertia so when it suddenly starts to move it pushes back
OTHER THINGS TO KNOW Interpreting graphs Net Forces Calculations Speed, Accleration, and Momentum Use your study guide, packet from Miss Lutzkanin, and notes to review
