280 mm • 330 N 600 mn 450 mm

Describe the external force of variable magnitude?

Question 4 Which of the following best describes the directions of friction and normal force? Your answer: Friction is always horizontal and normal force is always vertical. Friction is always horizontal and normal force is always perpendicular to the surface. Friction is always parallel to the surface and nomal force is always vertical. Friction is always parallel to the surface and normal force is always perpendicular to the surface. There is no consistent pattem.

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Mass on a plane A 100-kg object rests on an inclined plane at an angle of 45° to the floor. Find the components of the force parallel to and perpendicular to the plane.

11. Multiple Choice: Two forces have magnitudes of 11 newtons and 5 newtons. The magnitude of their sum could NOT be equal to which of the following values? w) 16 newtons x) 5 newtons y) 9 newtons z) 7 newtons

4. Which of the following vectors represents the resultant force acting on object "X"? a) b) c) d) e) X

4. Determine the magnitude and direction of the resultant force of the concurrent forces as shown below. Solve analytically by using component method. Fe=60N $ Fa=50N X F₂=40N Fr=20N

A flagpole of mass 10.0 kg and length 3.00 m is supported, and on the other by cable , as shown below. A student of mass 80.0 kg hangs on a rope attached 1.00 m from the right end of flagpole a) Draw a free body diagram of the flagpole b) Determine the magnitude of the tension T in the cable [c) A force is exerted on the flagpole from the wall indicate the general direction of this force on your free body diagram State your final answers for part b) using appropriate significant digits.

FNT 13-1 Vectors F EF = 0 F3 on object =? Fr on object =? on object, F2 on object, F3 on object, and F4 on object are all exerted on an object, adding together to form a net force vector EF = 0, as shown to the right. However, only vectors Fi on object, Ēzem-object- on object F2 on object, and EF (which is zero) are It is known that F3 on object object known. is completely vertical, and F4 on object pletely horizontal. is com- On a separate piece of graph paper, use the properties of vector addition to determine the magnitudes of the vertical vector F3 on object, and the horizontal vector F4 on object.