International ASPhysicsEdexcelExam Questions1. Mechanics & MaterialsForces & Momentum

Forces & Momentum (Edexcel International AS Physics)

Exam Questions

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Forces & Momentum

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1
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A person is pushing a trolley at a constant velocity.

The floor exerts a force P on the person, the person exerts a force Q on the trolley.

The trolley exerts a force R on the person and the total drag force on the trolley is S.

q7-wph11-01-jan-2022-edexcel-int-as-a-level-phy

Which pair of forces is a Newton's Third Law pair?

  • P and R

  • Q and R

  • Q and S

  • P and S

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2
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Which row of the table contains two units that are not equivalent?

  Unit 1 Unit 2
A J s–1 W
B kg m s–2 N s
C N kg–1 m s–2
D N m J

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    3
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    The diagram shows a rocket of mass m accelerating upwards with acceleration a.

    The diagram represents the forces acting on the rocket.

    q10-wph11-01-oct-2021-edexcel-int-as-and-a-level-phy

    Which of the following equations gives the value of D?

    • D = T + m (g – a)

    • D = T + m (a + g)

    • D = T – m (g – a)

    • D = T – m (g + a)

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    4
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    A van travels along a straight, horizontal road at a constant velocity.

    Which of the following statements is correct?

    • The frictional force of the road on the tyres can be ignored.

    • The frictional force of the road on the tyres is equal to the resultant force on the van.

    • The frictional force of the road on the tyres is in the direction of motion of the van.

    • The frictional force of the road on the tyres is in the opposite direction to the motion of the van.

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    5
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    A massive star exerts a gravitational force F subscript star on a small distant planet. The planet exerts a gravitational force F subscript planet on the star.

    Which row of the table is correct?

          Magnitude of forces Direction of forces
      ☐ A F subscript planet space less than space F subscript star opposite
      ☐ B F subscript planet space less than space F subscript star the same
      ☐ C F subscript planet space equals space F subscript star opposite
      ☐ D F subscript planet space equals space F subscript star the same

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      1
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      The graph shows how terminal velocity varies with mass for small spheres of equal diameter falling through a viscous liquid.

      q6-wph11-01-jan-2022-edexcel-int-as-a-level-phy

      Which of the following describes the gradient of the graph for a liquid of greater viscosity?

      • a greater gradient

      • a smaller gradient

      • a variable gradient

      • the same gradient

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