accelerates, a frictional force of 300 N act Draw a fully labelled free body diagram for car B. Calculate the initial acceleration of car B. After a while, the cars move at a constant velocity. The force exerted on the towing rope now, is 300 N. What is the magnitude and direction of the frictional force on car B now? It is dangerous to tow a car. One should rather use a rigid tow bar than a cable. This is especially true when car A brakes suddenly. Name the advantage that a rigid bar has over a cable? The mass of car A is also 1 200 kg. The two cars are now connected with a rigid tow bar. The net braking force is 9 600 N. Calculate the cars' acceleration if they stop from an initial velocity of 20 m.s-¹. Calculate the distance covered while stopping. A child drags two blocks horizontally with a force P. Te The blocks are connected with a light string, T, and move over a rough surface. The frictional force acting on the 4 kg and 1 kg blocks, are 2 N and 0,5 N respectively. 4 kg T 22 Imagine an investigation of which the hypothesis that needs to be confirmed is: The acceleration of the trolley is inversely proportional to the mass of the system. Take note that there are four trolleys of equal mass available. FN Ignore the mass of the string. Draw two separate labelled freebody diagrams (one for each block). Show and name the forces that act on each block. Calculate the magnitude of the acceleration of the system if the tension in T is 16 N. Calculate the magnitude of force P. Doc Scientia - Physics Textbook and Workbook - Grade 11 1 kg tret
accelerates, a frictional force of 300 N act Draw a fully labelled free body diagram for car B. Calculate the initial acceleration of car B. After a while, the cars move at a constant velocity. The force exerted on the towing rope now, is 300 N. What is the magnitude and direction of the frictional force on car B now? It is dangerous to tow a car. One should rather use a rigid tow bar than a cable. This is especially true when car A brakes suddenly. Name the advantage that a rigid bar has over a cable? The mass of car A is also 1 200 kg. The two cars are now connected with a rigid tow bar. The net braking force is 9 600 N. Calculate the cars' acceleration if they stop from an initial velocity of 20 m.s-¹. Calculate the distance covered while stopping. A child drags two blocks horizontally with a force P. Te The blocks are connected with a light string, T, and move over a rough surface. The frictional force acting on the 4 kg and 1 kg blocks, are 2 N and 0,5 N respectively. 4 kg T 22 Imagine an investigation of which the hypothesis that needs to be confirmed is: The acceleration of the trolley is inversely proportional to the mass of the system. Take note that there are four trolleys of equal mass available. FN Ignore the mass of the string. Draw two separate labelled freebody diagrams (one for each block). Show and name the forces that act on each block. Calculate the magnitude of the acceleration of the system if the tension in T is 16 N. Calculate the magnitude of force P. Doc Scientia - Physics Textbook and Workbook - Grade 11 1 kg tret
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Calculate the magnitude of acceleration of a system if the tension is 15 Newtons
Transcribed Image Text:accelerates, a frictional force of 300 N act
Draw a fully labelled free body diagram for car B.
Calculate the initial acceleration of car B.
After a while, the cars move at a constant velocity. The force exerted on the towing rope now, is
300 N. What is the magnitude and direction of the frictional force on car B now?
It is dangerous to tow a car. One should rather use a rigid tow bar than a cable.
This is especially true when car A brakes suddenly.
Name the advantage that a rigid bar has over a cable?
The mass of car A is also 1200 kg. The two cars are now connected with a rigid tow bar.
The net braking force is 9 600 N.
Calculate the cars' acceleration if they stop from an initial velocity of 20 m.s-¹.
Calculate the distance covered while stopping.
A child drags two blocks horizontally with a
force P.
Te
The blocks are connected with a light string, T,
and move over a rough surface. The frictional
force acting on the 4 kg and 1 kg blocks, are
2 N and 0,5 N respectively.
4 kg
T
22
Imagine an investigation of which the hypothesis that needs to be confirmed is:
The acceleration of the trolley is inversely proportional to the mass of the system.
Take note that there are four trolleys of equal mass available.
FN
Ignore the mass of the string.
Draw two separate labelled freebody diagrams (one for each block). Show and name the forces
that act on each block.
Calculate the magnitude of the acceleration of the system if the tension in T is 16 N.
Calculate the magnitude of force P.
Doc Scientia - Physics Textbook and Workbook - Grade 11
1 kg
tret
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