1.) A sled with mass 50 kg slides down a hill angled at 30 degrees to the horizo
ID: 1882797 • Letter: 1
Question
1.) A sled with mass 50 kg slides down a hill angled at 30 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.1. What is the sled's weight?2.) A sled with mass 50 kg slides down a hill angled at 30 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.1. What is the normal force acting on the sled?
3.) A sled with mass 50 kg slides down a hill angled at 30 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.1. What is the frictional force acting on the sled?
4.) A sled with mass 30 kg slides down a hill angled at 20 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.2. What is the net force acting on the sled? 1.) A sled with mass 50 kg slides down a hill angled at 30 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.1. What is the sled's weight?
2.) A sled with mass 50 kg slides down a hill angled at 30 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.1. What is the normal force acting on the sled?
3.) A sled with mass 50 kg slides down a hill angled at 30 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.1. What is the frictional force acting on the sled?
4.) A sled with mass 30 kg slides down a hill angled at 20 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.2. What is the net force acting on the sled?
2.) A sled with mass 50 kg slides down a hill angled at 30 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.1. What is the normal force acting on the sled?
3.) A sled with mass 50 kg slides down a hill angled at 30 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.1. What is the frictional force acting on the sled?
4.) A sled with mass 30 kg slides down a hill angled at 20 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.2. What is the net force acting on the sled?
Explanation / Answer
1. Weight of sled = W= mg= 50*9.8= 490 N
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2. Normal force acting on sled=N= 490 cos 30= 424.35 N
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3. Frictional force= uN= 0.1*424.35= 42.435 N
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4. Net force acting on sled
F= mg sin x - uN
F= 30*9.8* sin 20 - 0.2* 30*9.8* cos 20
F= 45.3 N
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Commemt in case any doubt.. good luck
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