A person of weight 490 N stands on a scale in an elevator. What will the scale be reading? when the elevator is accelerating downward at 6 m/s² A. 190N В. 790N С. 490N D. Zero ов O D O A

3. a. You put this large blow up Halloween decoration in your yard. The wind is blowing it to the left with 232.5 N. It stays put becuase it's supported by the rope. 0 = 58 degrees. The mass of the pumpkin is 9.55 kg. What is the tension in the rope? Previous submissions: T 615.38 b. What is FN of the ground pushing up on the pumpkin? Previous submissions: N

A person of weight 490 N stands on a scale in an elevator. What will the scale be reading? when the elevator is accelerating upward at 6 m/s? A. 190N B. 790N C. 490N D. Zero

A 48.42kg hunter ropes a 167.82 kg sleeping polar bear and pulls the bear towards him until they meet. Originally they are 211.22 m apart on frictionless ice. When the hunter pulls the polar bear to him the hunter will move... a. 52 b. 810 c. 67 d. 160

You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the support force?   A. ZERO   B. 140 x 9.8 m/s^2   C. 140N   D. 140 lbs Then choose all that apply to centripetal force.   A. Gravitational and electrical forces can produce centripetal forces.   B. Centripetal force depends on tangential spreed and radius of curvature .   C. twice the radius needs half the centripetal force.   D. Measured in the units of N or kg m/s^2   E. Any type of force directed towards a fixed center.   F. Twice the speed needs four times the centripetal force.   G. Centripetal force depends on the mass, tangential speed and radius of the curvature.

14. Compute the minimum distance that a truck slides on a horizontal asphalt road if it is traveling at 20 m/s. The coefficient of sliding friction between asphat and rubber tire is 0.50. The mass of the truck is 8000 kg. a. 40.8 m b. 48.5 m с. 35.3 m d. 31.4 m a b C d

Starting from a standstill, Abi (mass = 55.00 kg) performs a vertical jump. a.) How much does Abi weigh (in Newtons)?

Two forces are simultaneously acting on a 4.0 kg object on top of a frictionless surface. The forces are 12 N upward and 16 N to the right, yielding a net force as shown in the figure. NET FORCE. What is the magnitude of the net force F? 12 N 4.0 kg A. 5.3 N OB. 11 N OC. 20 N OD. 28 N E. 400 N 8 16 N F. net +X

A 140-gram apple fell from a tree and hit Sir Isaac's head. What is the force exerted by Sir Isaac's head on the apple? A. 9.81 N, upward B. 1.37 N, downward OC. 9.81 N, downward OD. 1.37 N, upward E. ON

15. A 100kg wooden box is placed in an inclined ramp with angle of inclination equal to 40 degrees. What is the normal force exerted by the inclined ramp on the box? *     A. 712N B. 732N C. 751N D. 767N E. 787N   16. Find the force that makes the box slide down the ramp in #15 above. *   A. 615N B.630N C. 645N D. 660N E. 675N