forces on an inclined plane

If an object is at rest on an inclined plane, which of the following forces is greatest?

• Normal Force
• Friction
• Weight
• Both Normal Force and Weight are equal, so they both are the greatest.

Tags

NGSS.HS-PS2-1

Assuming both objects are at rest, which object is more massive? M1 or M2?

• M1 is more massive
• M2 is more massive
• both M1 and M2 are the same mass

Tags

NGSS.HS-PS2-1

Assuming both objects are at rest, which side of the string has more tension?

• There is more tension on the side by M1
• There is more tension on the side by M2
• The tension on both sides is the same

Tags

NGSS.HS-PS2-1

If both boxes are at rest in the picture above, what force is equal to the tension in the string?

• The weight of M1
• The weight of M2
• (M1)(g)cos28⁰

Tags

NGSS.HS-PS2-1

If both boxes are at rest in the picture above, what other force is equal to the tension in the string?

• (M1)(g)sin28⁰
• (M1)(g)cos28⁰
• (M2)(g)sin28⁰
• (M2)(g)cos28⁰

Tags

NGSS.HS-PS2-1

Which of the following is equal in magnitude to the Normal Force?

• (M1)(g)sin28⁰
• (M1)(g)cos28⁰
• (M2)(g)sin28⁰
• (M2)(g)cos28⁰

Tags

NGSS.HS-PS2-1

What is the x-component of force if the mass of the box is 42kg and the angle is 37º?

• 329 N

• 248 N

• 212 N

• 350 N

What is the y-component of force if the mass of the box is 42 kg and the angle is 37°?

• 329 N

• 248 N

• 350 N

• 212 N

What is the acceleration of the 42 kg box ignoring friction if the angle is 37°?

• 8 m/s²

• 4 m/s²

• 6 m/s²

• 10 m/s²

What is the net force felt by the 42 kg box on a 37° angle if the force of kinetic friction is 57 N?

• 272 N

• 248 N

• 57 N

• 191 N