Homework Answers
Question 1
● The magnitude of the force on the car is equal to the magnitude of the force on the truck.
● The car experiences an acceleration
● The truck experiences an acceleration
Question 2
Force on the ball when it hits the ground is F= mg
= 2×9.8 N
= 19.6 N ( upwards)
Question 3
Weight on the earth
W= mg
= 72× 9.8 N
= 705.6 N
weight on the moon
W1= mg(moon)
= 72× 1.62 N
= 116.64 N
Weight on the mars
W2 = mg( mars)
= 72×3.71 N
=267.12 N
Question 4
Normal force on the object
R = mgCos
= 25×9.8×Cos(45°) N
= 173 .24 N
So, nearest value is 170 N
Add Answer to:
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A 1200-kg car pushes a 2100-kg truck that has a dead battery to
the right. When the driver steps on the accelerator, the drive
wheels of the car push against the ground with a force of 4500 N .
What is the magnitude of the force the car applies to the
truck?
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8) A car is pushing a large truck, such that both accelerate. Which is true? A) The contact force the car exerts on the truck is larger than the contact force the truck exerts on the car. B) The contact force the truck exerts on the car is larger than the contact force the car exerts on the truck. C) The non-zero contact force of the truck on the car is equal to the contact force of the car on...
7) A 21-ton (42,000-lb) truck collides with an 2300-lb car and causes a lot of damage to the car. During the collision A) the force on the truck due to the collision is greater than the force on the car, and the truck experiences greater acceleration. B) the force on the truck due to the collision is greater than the force on the car, and the car experiences greater acceleration. C) the forces on the truck and car are equal,...
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A 1200-kg car pushes a 2100-kg truck that has a dead battery to
the right. When the driver steps on the accelerator, the drive
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What is the magnitude of the force the car applies to the
truck?
Sort the following forces as relevant or not relevant to this situation. The symbols are defined as follows: normal force = ñ, tension force =T, horizontal force of...
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