Force and Motion

Front

To make an object move you must first apply ---
Options: an opposing force, an unbalanced force, a stationary force, a vertical force

Back

an unbalanced force

Front

A force is best defined as ---

Back

A push or pull that is exerted on matter

Front

A student pushes against a wall with 20 N of force and the wall does not move. The wall exerts --

Back

20 N of force

Front

Which change would require more force to pull the wooden block up the ramp? Options: Have the student use two hands, Reduce the mass of the wooden block, Restack the books so the thinnest book is on the bottom, Glue sandpaper to the surface of the ramp.

Back

Glue sandpaper to the surface of the ramp.

Front

What caused Oliver to fall backward into other riders when the train suddenly moved forward?

Back

Oliver's body resisted a change in the subway train's inertia.

Front

Which law of motion predicts that a moving hockey puck will continue to move in the same direction at the same speed unless acted upon by another force?

Back

Newton's First Law of Motion

Front

Which law explains the relationship among mass, force and acceleration?

Back

Newton's Second Law of Motion

Front

Which object would have the greatest force? Options: A 5 kg object accelerating at 10 m/s, A 5 kg object accelerating at 20 m/s, a 20 kg object accelerating at 4 m/s , a 20 kg object accelerating at 3 m/s

Back

A 5 kg object accelerating at 20 m/s

Front

Which of these would be different for an object if measured on the Earth and on the Moon? Options: Mass, Weight, Volume, Density

Back

Weight

Front

The diagram below show the forces acting on a soccer ball.
In which of the diagrams will the ball remain motionless? Options: W, X, Y, Z

Back

W