6. A block of mass 100 kg is at rest on a flat surface. The coefficient of kinetic friction between the block and the surface is 0.3, and the coefficient of static friction is 0.4. A force F of magnitude 344 N is then applied to the block, parallel to the surface. Which of the following is true?: * OA. The block will accelerate across the surface at 0.5 m/s². OB. The static friction force, which is the reaction force to F by Newton's Third Law, will also have a magnitude of 344 N. OC. The block will slip across the surface at a constant speed of 0.5 m/s. OD. The block will remain at rest. O E. None of the above.

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6. A block of mass 100 kg is at rest on a flat surface. The coefficient of kinetic friction
between the block and the surface is 0.3, and the coefficient of static friction is 0.4. A force
F of magnitude 344 N is then applied to the block, parallel to the surface. Which of the
following is true?: *
OA. The block will accelerate across the surface at 0.5 m/s².
OB. The static friction force, which is the reaction force to F by Newton's Third Law, will also
have a magnitude of 344 N.
OC. The block will slip across the surface at a constant speed of 0.5 m/s.
O D. The block will remain at rest.
O E. None of the above.
10. A sled of mass M starts at rest. It has an elastic collision with a sled of mass 4M and
velocity v. The more massive sled loses half its kinetic energy to the less massive sled. The
less massive sled now has a velocity of: *
O A. 1.41v
OB. V
OC. 2v
O D. 4v
O E. 8v
Transcribed Image Text:6. A block of mass 100 kg is at rest on a flat surface. The coefficient of kinetic friction between the block and the surface is 0.3, and the coefficient of static friction is 0.4. A force F of magnitude 344 N is then applied to the block, parallel to the surface. Which of the following is true?: * OA. The block will accelerate across the surface at 0.5 m/s². OB. The static friction force, which is the reaction force to F by Newton's Third Law, will also have a magnitude of 344 N. OC. The block will slip across the surface at a constant speed of 0.5 m/s. O D. The block will remain at rest. O E. None of the above. 10. A sled of mass M starts at rest. It has an elastic collision with a sled of mass 4M and velocity v. The more massive sled loses half its kinetic energy to the less massive sled. The less massive sled now has a velocity of: * O A. 1.41v OB. V OC. 2v O D. 4v O E. 8v
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