Forces Multiple Choice
| # | Answer |
|---|---|
| 1 | A. Force |
| 2 | B. Pulls them toward Earth |
| 3 | C. Friction |
| 4 | B. Friction |
| 5 | A. Pressure differences |
| 6 | D. Gravitational force |
| 7 | C. Mass |
| 8 | B. Newton |
| 9 | D. Magnetic force |
| 10 | A. They generate force to move body parts |
| 11 | C. Xylem |
| 12 | B. Transmit force from muscles to bones |
| 13 | A. Newton's second law |
| 14 | D. Mechanical deformation |
| 15 | C. Friction |
| 16 | B. It provides resistance that helps prevent slipping |
| 17 | A. It stays at rest or moves at constant velocity |
| 18 | D. Breathing |
| 19 | B. Cardiac muscle contraction |
| 20 | C. A pulling force in muscles or connective tissues |
| 21 | A. They act as levers for muscles |
| 22 | B. Friction between the body and the leaf |
| 23 | D. Larger surface area usually increases drag |
| 24 | C. Drag |
| 25 | A. They reduce drag |
| 26 | B. Water moves across a membrane due to differences in water potential |
| 27 | D. Interaction of actin and myosin filaments |
| 28 | C. It supplies energy for force-generating interactions |
| 29 | B. Center of mass over the base of support |
| 30 | A. Stability increases |
| 31 | D. Internal pressure against the cell wall |
| 32 | B. It pushes the cell membrane against the cell wall, helping maintain rigidity |
| 33 | C. The volume of fluid displaced |
| 34 | A. Their average density is lower than the surrounding fluid |
| 35 | B. The forearm lifting a weight with the biceps |
| 36 | C. The elbow joint |
| 37 | D. They help organize internal structure and resist mechanical stress |
| 38 | A. Flexible cell membrane |
| 39 | B. Unequal growth and mechanical support interact with environmental forces |
| 40 | C. Mechanical forces can influence tissue structure, growth, and function |