Friction Forces Quiz

A 1,537 kg truck is getting towed with a force of 15,534 N at an angle of 49.2^o. μ_k = 0.709

What is the x-component of the force on the truck?

• 2,300 N

• 10,200 N

• 11,800 N

• 6,400 N

A 1,537 kg truck is getting towed with a force of 15,534 N at an angle of 49.2^o. μ_k = 0.709

What is the y-component of the force on the truck?

• 2,300 N

• 10,200 N

• 11,800 N

• 6,400 N

A 1,537 kg truck is getting towed with a force of 15,534 N at an angle of 49.2^o. μ_k = 0.709

What is the normal force of the truck?

• 15,100 N

• 3,300 N

• 15,534 N

• 6,400 N

A 1,537 kg truck is getting towed with a force of 15,534 N at an angle of 49.2^o. μ_k = 0.709

What is the force of friction acting on the truck?

• 2,300 N

• 10,200 N

• 11,800 N

• 6,400 N

A 0.831 kg hockey puck slides across the ice. μ_k = 0.0216

What is the friction force acting on the puck?

• 0.176 N

• 0.0179 N

• 38 N

• 8.15 N

A stubborn 5,732 kg elephant is refusing to move. μ_s = 0.899

If the elephant is pushed with 13,421 N of force, will it move?

• Yes

• No

A 76.2 kg softball player slides into second base with a force of 683 N. What is the net force acting on the player if the kinetic friction coefficient 0.684?

• 511 N

• 172 N

• 1,190 N

• 821 N

A 76.2 kg softball player slides into second base with a force of 683 N. μk = 0.684

What would be her horizontal acceleration?

• 4.07 m/s²

• 2.26 m/s²

• 6.71 m/s²

• 8.96 m/s²

A factory worker pushed a box of fragile merchandise down a conveyor belt with a force of 232 N. If the frictional force is 104 N, what is the net force acting on the box?

• 128 N

• 165 N

• 210 N

• 336 N

A factory worker pushed a box of fragile merchandise down a conveyor belt with a force of 232 N. If the frictional force is 104 N and the box moves with an acceleration of 3.00m/s², what is the mass of the box?

• 42.7 kg

• 77.3 kg

• 34.7 kg

• 57.3 kg