A 5000 kg truck is parked on a 7.0â slope. how big is the friction force on the truck?

A box is placed on an incline that makes an angle θ with the horizontal. If a force is applied to the box from some direction to get it moving, which is true about the motion of the box?

11. Betty and Bianca weigh the same amount and they climb a flight of stairs. Betty climbs the stairs in 30 seconds. Bianca climbs the stairs in 40 seconds.

One differnce between magnetic poles and elcyrical charges is that

A ball pushed with a force of 13.5 N accelerates at 6.5 m/s^2 to the right. What is the mass of the ball?

What is the energy transfer process that causes the flow of air between the equator and the poles called?

Neglect air resistance in this question. If you drop a ball from a height of 4.9 m, it will hit the ground 1s later. If you fire a bullet exactly horizontally from a height of 4.9 m, it will also hit the ground 1s later. Explain.

If a car decelerates at a rate of 5.1 m/s2, and if its initial speed was 24 m/s. How long will it take the car to stop?

Why do automobiles rust more easily in wet climates than drier climates?

You are preparing to do a hard task and so you say to yourself, "I can do it!" What is this an example of?

You took a running leap off a high diving platform. You were running at 3.1 m/s and hit the water 2.4 seconds later.