Robotics: Unit D Review

What are tools used to make work easier?

• Simple machines

• Simple motion

What is a force acting on an object to move it across a distance?

• Gravity

• Work

What is any push or pull that causes an object to change its position, direction, or shape?

• Force

• Friction

What is it called when an object is in motion in a non-complex periodic way?

• Simple harmonic motion

• Simple machines

What is a body suspended from a fixed point so that it can swing back and forth under the influence of gravity?

• Lever

• Pendulum

What is the attraction between two masses, such as the earth and an object on its surface?

• Mass

• Gravity

What is the force that resists motion through the rubbing of one object against another?

• Friction

• Gravity

What simple machine is this?

• Wheel and axel

• Pulley

What simple machine is this?

• Wedge

• Screw

What simple machine is this?

• Pulley

• Lever