Mechanics Test Review

Gravity is ____.

what force is applied on the book by the table.(represented by R)

what is the force acting in the ropes of the swing?

select the examples of contact forces.(tick mark the answers)

Based on this free-body diagram, which statement can you be sure is true?

Based on the free-body diagram, which statement is true?

Which free body diagram is correct for a car being pulled at a constant velocity?

Which diagram best shows person pushing a couch (accelerating) across the floor?

Which law best explains why the boat moves in the opposite direction that Sally moves as she jumps to shore?

What is Newton's First Law of Motion?

What is the NET FORCE of this diagram?

If F is force, k is spring constant and x is extension, Hooke's Law tells us that:

Friction _____________ motion

Find the friction coefficient if F_N=100N, F_f=20N

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

2 forces: 32N and 45 N with angle between of 90 deg. Determine the magnitude of the resultant.

2 forces: 32N and 45 N with angle between of 90 deg. Determine the direction of the resultant.