U2.5 – Introduction to Forces

2

Introduction to Forces

1 / 10

A game of tug of war occurs between the English and Mathematics departments. The English department pull westerly with a force of 120.50 N and the Mathematics department pull easterly with a force of 108.25 N.

Calculate who wins and with what resultant force.

2 / 10

A man of 75 kg has an upward force applied to him of 735.75 N. Does he lift off the ground?

3 / 10

A screaming toddler is trying to run away in a shop and is pulling their fathers arm at an angle of 14° and a force of 235 N. Calculate the horizontal component acting on the father.

4 / 10

A Y7 drags behind them their cooking, PE kit and textbooks behind them with a force of 676 N and an angle of 30°. Calculate the vertical component of the force.

5 / 10

A student moves a table in class by pushing it at an angle of 11° with a force of 200 N. Calculate the vertical component.

6 / 10

A strong woman lifts a car at an angle of 25° and horizontal component of force is 1300 N. Calculate vertical component of the lift.

7 / 10

What is the vertical component if F is applied at θ to the horizontal.

8 / 10

You hang up your GCSE Physics certificate in a frame. The whole thing has a mass of 3.2 kg. Calculate the the tension in the picture frame wire. g = 9.81 ms-2

9 / 10

The complete Harry Potter collection in paperback has a mass of 3.4 kg. The book collection is placed on a sloping table at angle θ and is at rest. The maximum frictional force between the tabletop and the book collection is 17.7 N.

Calculate the minimum angle at which the book collection will slip. g = 9.81 Nkg-2.

10 / 10

Four teachers are fighting over the last pack of board pens as shown in the diagram. Calculate the overall resultant force.

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