Concept explainers
(a)
The force exerted by R in pushing the cart.
(a)
Answer to Problem 97A
The force exerted by R on the cart is
Explanation of Solution
Given:
The mass of C is
The mass of the cart is
The acceleration of the cart is
Formula used:
Newton’s Second Law:
The object’s acceleration is equivalent to the sum of the forces acting on the object divided by the object’s mass. That is,
Here,
Calculation:
Consider C is hanging in the cart.
Consider the R is pushing the cart.
R has to exert a force equivalent to the sum of the weight of the cart and the weight of C.
To find the force exerted by C on the cart, apply Newton’s Second Law of Motion,
Conclusion:
Therefore, the force exerted by R on the cart is
(b)
The force exerted by the cart onC.
(b)
Answer to Problem 97A
The force exerted by the cart on C is
Explanation of Solution
Given:
The mass of C is
The mass of the cart is
The acceleration of the cart is
Formula used:
Newton’s Second Law:
The object’s acceleration is equivalent to the sum of the forces acting on the object divided by the object’s mass. That is,
Here,
Calculation:
Consider C is hanging in the cart and R is pushing the cart.
The cart will also exert a force (equivalent to the weight of the cart) on R.
Consider the acceleration due to gravity of the Earth as
The weight
Conclusion:
Therefore, the force exerted by the cart on C is
Chapter 6 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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