David Sang and Graham Jones Solutions for Chapter: Forces: Vectors and Moments, Exercise 3: Questions
David Sang Physics Solutions for Exercise - David Sang and Graham Jones Solutions for Chapter: Forces: Vectors and Moments, Exercise 3: Questions
Attempt the free practice questions on Chapter 4: Forces: Vectors and Moments, Exercise 3: Questions with hints and solutions to strengthen your understanding. Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access solutions are prepared by Experienced Embibe Experts.
Questions from David Sang and Graham Jones Solutions for Chapter: Forces: Vectors and Moments, Exercise 3: Questions with Hints & Solutions
The person in Figure is pulling a large box using a rope. Use the idea of components of a force to explain why they are more likely to get the box to move if the rope is horizontal (as in a) than if it is sloping upwards (as in b ).
Why is it easier to move the box with the rope horizontal?

A crate is sliding down a slope. The weight of the crate is . The slope makes an angle of With the horizontal. Draw a diagram to show the situation. Include arrows to represent the weight of the crate and the contact force of the slope acting on the crate.

A crate is sliding down a slope. The weight of the crate is . The slope makes an angle of With the horizontal. Calculate the component of the weight down the slope.

A crate is sliding down a slope. The weight of the crate is . The slope makes an angle of with the horizontal. Explain why the contact force of the slope has no component down the slope.

A crate is sliding down a slope. The weight of the crate is . The slope makes an angle of with the horizontal. What third force might act to oppose the motion? In which direction would it act.
